Home / 56,652.50-78,182.36-31,159.94

Finding the Fourth Proportional to 56,652.50, 78,182.36 and 31,159.94

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Solution

The fourth proportional to 56,652.50, 78,182.36 and 31,159.94 is: 43,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,652.50 : 78,182.36 = 31,159.94 : x
  2. Step 2: Convert to fraction form
    56,652.50/78,182.36 = 31,159.94/x
  3. Step 3: Cross multiply
    56,652.50x = 78,182.36 × 31,159.94
  4. Step 4: Simplify right side
    56,652.50x = 2,436,157,646.66
  5. Step 5: Solve for x
    x = 2,436,157,646.66/56,652.50
  6. Step 6: Final answer
    x = 43,001.77

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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.