Home / 30,802.82-42,507.83-17,374.04

Finding the Fourth Proportional to 30,802.82, 42,507.83 and 17,374.04

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Solution

The fourth proportional to 30,802.82, 42,507.83 and 17,374.04 is: 23,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802.82 : 42,507.83 = 17,374.04 : x
  2. Step 2: Convert to fraction form
    30,802.82/42,507.83 = 17,374.04/x
  3. Step 3: Cross multiply
    30,802.82x = 42,507.83 × 17,374.04
  4. Step 4: Simplify right side
    30,802.82x = 738,532,439.32
  5. Step 5: Solve for x
    x = 738,532,439.32/30,802.82
  6. Step 6: Final answer
    x = 23,976.13

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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.