Home / 61,669.12-92,503.08-19,553.20

Finding the Fourth Proportional to 61,669.12, 92,503.08 and 19,553.20

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Solution

The fourth proportional to 61,669.12, 92,503.08 and 19,553.20 is: 29,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,669.12 : 92,503.08 = 19,553.20 : x
  2. Step 2: Convert to fraction form
    61,669.12/92,503.08 = 19,553.20/x
  3. Step 3: Cross multiply
    61,669.12x = 92,503.08 × 19,553.20
  4. Step 4: Simplify right side
    61,669.12x = 1,808,731,223.86
  5. Step 5: Solve for x
    x = 1,808,731,223.86/61,669.12
  6. Step 6: Final answer
    x = 29,329.61

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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.