Home / 56,273.90-77,646.75-31,118.54

Finding the Fourth Proportional to 56,273.90, 77,646.75 and 31,118.54

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Solution

The fourth proportional to 56,273.90, 77,646.75 and 31,118.54 is: 42,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,273.90 : 77,646.75 = 31,118.54 : x
  2. Step 2: Convert to fraction form
    56,273.90/77,646.75 = 31,118.54/x
  3. Step 3: Cross multiply
    56,273.90x = 77,646.75 × 31,118.54
  4. Step 4: Simplify right side
    56,273.90x = 2,416,253,495.75
  5. Step 5: Solve for x
    x = 2,416,253,495.75/56,273.90
  6. Step 6: Final answer
    x = 42,937.37

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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.