Home / 60,612.31-90,818.19-30,989.38

Finding the Fourth Proportional to 60,612.31, 90,818.19 and 30,989.38

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Solution

The fourth proportional to 60,612.31, 90,818.19 and 30,989.38 is: 46,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,612.31 : 90,818.19 = 30,989.38 : x
  2. Step 2: Convert to fraction form
    60,612.31/90,818.19 = 30,989.38/x
  3. Step 3: Cross multiply
    60,612.31x = 90,818.19 × 30,989.38
  4. Step 4: Simplify right side
    60,612.31x = 2,814,399,400.82
  5. Step 5: Solve for x
    x = 2,814,399,400.82/60,612.31
  6. Step 6: Final answer
    x = 46,432.80

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1.5x scale

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.