Home / 60,521.85-90,791.28-21,073.23

Finding the Fourth Proportional to 60,521.85, 90,791.28 and 21,073.23

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Solution

The fourth proportional to 60,521.85, 90,791.28 and 21,073.23 is: 31,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,521.85 : 90,791.28 = 21,073.23 : x
  2. Step 2: Convert to fraction form
    60,521.85/90,791.28 = 21,073.23/x
  3. Step 3: Cross multiply
    60,521.85x = 90,791.28 × 21,073.23
  4. Step 4: Simplify right side
    60,521.85x = 1,913,265,525.43
  5. Step 5: Solve for x
    x = 1,913,265,525.43/60,521.85
  6. Step 6: Final answer
    x = 31,612.81

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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.