Home / 39,988.64-59,906.64-22,405.28

Finding the Fourth Proportional to 39,988.64, 59,906.64 and 22,405.28

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Solution

The fourth proportional to 39,988.64, 59,906.64 and 22,405.28 is: 33,565.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,988.64 : 59,906.64 = 22,405.28 : x
  2. Step 2: Convert to fraction form
    39,988.64/59,906.64 = 22,405.28/x
  3. Step 3: Cross multiply
    39,988.64x = 59,906.64 × 22,405.28
  4. Step 4: Simplify right side
    39,988.64x = 1,342,225,043.06
  5. Step 5: Solve for x
    x = 1,342,225,043.06/39,988.64
  6. Step 6: Final answer
    x = 33,565.16

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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.