Home / 61,237.31-84,508.80-34,380.55

Finding the Fourth Proportional to 61,237.31, 84,508.80 and 34,380.55

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Solution

The fourth proportional to 61,237.31, 84,508.80 and 34,380.55 is: 47,445.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,237.31 : 84,508.80 = 34,380.55 : x
  2. Step 2: Convert to fraction form
    61,237.31/84,508.80 = 34,380.55/x
  3. Step 3: Cross multiply
    61,237.31x = 84,508.80 × 34,380.55
  4. Step 4: Simplify right side
    61,237.31x = 2,905,458,601.30
  5. Step 5: Solve for x
    x = 2,905,458,601.30/61,237.31
  6. Step 6: Final answer
    x = 47,445.89

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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.