Home / 53,479.04-73,802.79-30,816.23

Finding the Fourth Proportional to 53,479.04, 73,802.79 and 30,816.23

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Solution

The fourth proportional to 53,479.04, 73,802.79 and 30,816.23 is: 42,527.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,479.04 : 73,802.79 = 30,816.23 : x
  2. Step 2: Convert to fraction form
    53,479.04/73,802.79 = 30,816.23/x
  3. Step 3: Cross multiply
    53,479.04x = 73,802.79 × 30,816.23
  4. Step 4: Simplify right side
    53,479.04x = 2,274,323,382.27
  5. Step 5: Solve for x
    x = 2,274,323,382.27/53,479.04
  6. Step 6: Final answer
    x = 42,527.38

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Half scale
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Double scale
Find fourth proportional to 53,480.04, 73,804.17 and 30,817.23
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.