Home / 56,884.66-78,500.28-31,391.26

Finding the Fourth Proportional to 56,884.66, 78,500.28 and 31,391.26

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Solution

The fourth proportional to 56,884.66, 78,500.28 and 31,391.26 is: 43,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,884.66 : 78,500.28 = 31,391.26 : x
  2. Step 2: Convert to fraction form
    56,884.66/78,500.28 = 31,391.26/x
  3. Step 3: Cross multiply
    56,884.66x = 78,500.28 × 31,391.26
  4. Step 4: Simplify right side
    56,884.66x = 2,464,222,699.55
  5. Step 5: Solve for x
    x = 2,464,222,699.55/56,884.66
  6. Step 6: Final answer
    x = 43,319.63

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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.