Home / 72,731.56-109,097.36-22,816.02

Finding the Fourth Proportional to 72,731.56, 109,097.36 and 22,816.02

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Solution

The fourth proportional to 72,731.56, 109,097.36 and 22,816.02 is: 34,224.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,731.56 : 109,097.36 = 22,816.02 : x
  2. Step 2: Convert to fraction form
    72,731.56/109,097.36 = 22,816.02/x
  3. Step 3: Cross multiply
    72,731.56x = 109,097.36 × 22,816.02
  4. Step 4: Simplify right side
    72,731.56x = 2,489,167,547.71
  5. Step 5: Solve for x
    x = 2,489,167,547.71/72,731.56
  6. Step 6: Final answer
    x = 34,224.04

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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.