Home / 60,540.30-90,810.72-21,097.35

Finding the Fourth Proportional to 60,540.30, 90,810.72 and 21,097.35

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Solution

The fourth proportional to 60,540.30, 90,810.72 and 21,097.35 is: 31,646.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,540.30 : 90,810.72 = 21,097.35 : x
  2. Step 2: Convert to fraction form
    60,540.30/90,810.72 = 21,097.35/x
  3. Step 3: Cross multiply
    60,540.30x = 90,810.72 × 21,097.35
  4. Step 4: Simplify right side
    60,540.30x = 1,915,865,543.59
  5. Step 5: Solve for x
    x = 1,915,865,543.59/60,540.30
  6. Step 6: Final answer
    x = 31,646.12

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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.