Home / 58,863.13-88,312.92-20,397.90

Finding the Fourth Proportional to 58,863.13, 88,312.92 and 20,397.90

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Solution

The fourth proportional to 58,863.13, 88,312.92 and 20,397.90 is: 30,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,863.13 : 88,312.92 = 20,397.90 : x
  2. Step 2: Convert to fraction form
    58,863.13/88,312.92 = 20,397.90/x
  3. Step 3: Cross multiply
    58,863.13x = 88,312.92 × 20,397.90
  4. Step 4: Simplify right side
    58,863.13x = 1,801,398,289.28
  5. Step 5: Solve for x
    x = 1,801,398,289.28/58,863.13
  6. Step 6: Final answer
    x = 30,603.17

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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.