Home / 56,149.66-77,483.19-30,650.95

Finding the Fourth Proportional to 56,149.66, 77,483.19 and 30,650.95

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Solution

The fourth proportional to 56,149.66, 77,483.19 and 30,650.95 is: 42,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,149.66 : 77,483.19 = 30,650.95 : x
  2. Step 2: Convert to fraction form
    56,149.66/77,483.19 = 30,650.95/x
  3. Step 3: Cross multiply
    56,149.66x = 77,483.19 × 30,650.95
  4. Step 4: Simplify right side
    56,149.66x = 2,374,933,382.53
  5. Step 5: Solve for x
    x = 2,374,933,382.53/56,149.66
  6. Step 6: Final answer
    x = 42,296.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.