Home / 56,489.02-77,954.93-31,338.52

Finding the Fourth Proportional to 56,489.02, 77,954.93 and 31,338.52

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Solution

The fourth proportional to 56,489.02, 77,954.93 and 31,338.52 is: 43,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489.02 : 77,954.93 = 31,338.52 : x
  2. Step 2: Convert to fraction form
    56,489.02/77,954.93 = 31,338.52/x
  3. Step 3: Cross multiply
    56,489.02x = 77,954.93 × 31,338.52
  4. Step 4: Simplify right side
    56,489.02x = 2,442,992,132.90
  5. Step 5: Solve for x
    x = 2,442,992,132.90/56,489.02
  6. Step 6: Final answer
    x = 43,247.20

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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.