Home / 60,691.02-91,058.40-31,122.78

Finding the Fourth Proportional to 60,691.02, 91,058.40 and 31,122.78

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Solution

The fourth proportional to 60,691.02, 91,058.40 and 31,122.78 is: 46,695.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,691.02 : 91,058.40 = 31,122.78 : x
  2. Step 2: Convert to fraction form
    60,691.02/91,058.40 = 31,122.78/x
  3. Step 3: Cross multiply
    60,691.02x = 91,058.40 × 31,122.78
  4. Step 4: Simplify right side
    60,691.02x = 2,833,990,550.35
  5. Step 5: Solve for x
    x = 2,833,990,550.35/60,691.02
  6. Step 6: Final answer
    x = 46,695.39

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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.