Home / 53,948.76-80,923.14-18,880.26

Finding the Fourth Proportional to 53,948.76, 80,923.14 and 18,880.26

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Solution

The fourth proportional to 53,948.76, 80,923.14 and 18,880.26 is: 28,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,948.76 : 80,923.14 = 18,880.26 : x
  2. Step 2: Convert to fraction form
    53,948.76/80,923.14 = 18,880.26/x
  3. Step 3: Cross multiply
    53,948.76x = 80,923.14 × 18,880.26
  4. Step 4: Simplify right side
    53,948.76x = 1,527,849,923.22
  5. Step 5: Solve for x
    x = 1,527,849,923.22/53,948.76
  6. Step 6: Final answer
    x = 28,320.39

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.