Home / 56,422.32-77,887.60-39,493.04

Finding the Fourth Proportional to 56,422.32, 77,887.60 and 39,493.04

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Solution

The fourth proportional to 56,422.32, 77,887.60 and 39,493.04 is: 54,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,422.32 : 77,887.60 = 39,493.04 : x
  2. Step 2: Convert to fraction form
    56,422.32/77,887.60 = 39,493.04/x
  3. Step 3: Cross multiply
    56,422.32x = 77,887.60 × 39,493.04
  4. Step 4: Simplify right side
    56,422.32x = 3,076,018,382.38
  5. Step 5: Solve for x
    x = 3,076,018,382.38/56,422.32
  6. Step 6: Final answer
    x = 54,517.76

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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.