Home / 60,565.90-90,849.40-21,122.96

Finding the Fourth Proportional to 60,565.90, 90,849.40 and 21,122.96

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Solution

The fourth proportional to 60,565.90, 90,849.40 and 21,122.96 is: 31,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,565.90 : 90,849.40 = 21,122.96 : x
  2. Step 2: Convert to fraction form
    60,565.90/90,849.40 = 21,122.96/x
  3. Step 3: Cross multiply
    60,565.90x = 90,849.40 × 21,122.96
  4. Step 4: Simplify right side
    60,565.90x = 1,919,008,242.22
  5. Step 5: Solve for x
    x = 1,919,008,242.22/60,565.90
  6. Step 6: Final answer
    x = 31,684.63

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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.