Home / 72,318.02-108,480.21-22,399.13

Finding the Fourth Proportional to 72,318.02, 108,480.21 and 22,399.13

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Solution

The fourth proportional to 72,318.02, 108,480.21 and 22,399.13 is: 33,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,318.02 : 108,480.21 = 22,399.13 : x
  2. Step 2: Convert to fraction form
    72,318.02/108,480.21 = 22,399.13/x
  3. Step 3: Cross multiply
    72,318.02x = 108,480.21 × 22,399.13
  4. Step 4: Simplify right side
    72,318.02x = 2,429,862,639.42
  5. Step 5: Solve for x
    x = 2,429,862,639.42/72,318.02
  6. Step 6: Final answer
    x = 33,599.69

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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.