Home / 61,645.28-85,074.98-34,790.13

Finding the Fourth Proportional to 61,645.28, 85,074.98 and 34,790.13

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Solution

The fourth proportional to 61,645.28, 85,074.98 and 34,790.13 is: 48,012.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,645.28 : 85,074.98 = 34,790.13 : x
  2. Step 2: Convert to fraction form
    61,645.28/85,074.98 = 34,790.13/x
  3. Step 3: Cross multiply
    61,645.28x = 85,074.98 × 34,790.13
  4. Step 4: Simplify right side
    61,645.28x = 2,959,769,440.00
  5. Step 5: Solve for x
    x = 2,959,769,440.00/61,645.28
  6. Step 6: Final answer
    x = 48,012.92

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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.