Home / 29,547.40-40,772.42-18,215.08

Finding the Fourth Proportional to 29,547.40, 40,772.42 and 18,215.08

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Solution

The fourth proportional to 29,547.40, 40,772.42 and 18,215.08 is: 25,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,547.40 : 40,772.42 = 18,215.08 : x
  2. Step 2: Convert to fraction form
    29,547.40/40,772.42 = 18,215.08/x
  3. Step 3: Cross multiply
    29,547.40x = 40,772.42 × 18,215.08
  4. Step 4: Simplify right side
    29,547.40x = 742,672,892.09
  5. Step 5: Solve for x
    x = 742,672,892.09/29,547.40
  6. Step 6: Final answer
    x = 25,134.97

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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.