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Finding the Fourth Proportional to 39,980.64, 59,894.64 and 22,397.28

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Solution

The fourth proportional to 39,980.64, 59,894.64 and 22,397.28 is: 33,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,980.64 : 59,894.64 = 22,397.28 : x
  2. Step 2: Convert to fraction form
    39,980.64/59,894.64 = 22,397.28/x
  3. Step 3: Cross multiply
    39,980.64x = 59,894.64 × 22,397.28
  4. Step 4: Simplify right side
    39,980.64x = 1,341,477,022.58
  5. Step 5: Solve for x
    x = 1,341,477,022.58/39,980.64
  6. Step 6: Final answer
    x = 33,553.17

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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.