Home / 71,657.30-98,887.56-39,826.73

Finding the Fourth Proportional to 71,657.30, 98,887.56 and 39,826.73

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Solution

The fourth proportional to 71,657.30, 98,887.56 and 39,826.73 is: 54,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,657.30 : 98,887.56 = 39,826.73 : x
  2. Step 2: Convert to fraction form
    71,657.30/98,887.56 = 39,826.73/x
  3. Step 3: Cross multiply
    71,657.30x = 98,887.56 × 39,826.73
  4. Step 4: Simplify right side
    71,657.30x = 3,938,368,152.48
  5. Step 5: Solve for x
    x = 3,938,368,152.48/71,657.30
  6. Step 6: Final answer
    x = 54,961.16

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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.