Home / 57,001.57-78,642.98-36,883.90

Finding the Fourth Proportional to 57,001.57, 78,642.98 and 36,883.90

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Solution

The fourth proportional to 57,001.57, 78,642.98 and 36,883.90 is: 50,887.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,001.57 : 78,642.98 = 36,883.90 : x
  2. Step 2: Convert to fraction form
    57,001.57/78,642.98 = 36,883.90/x
  3. Step 3: Cross multiply
    57,001.57x = 78,642.98 × 36,883.90
  4. Step 4: Simplify right side
    57,001.57x = 2,900,659,862.22
  5. Step 5: Solve for x
    x = 2,900,659,862.22/57,001.57
  6. Step 6: Final answer
    x = 50,887.37

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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.