Home / 53,902.11-80,754.65-39,074.25

Finding the Fourth Proportional to 53,902.11, 80,754.65 and 39,074.25

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Solution

The fourth proportional to 53,902.11, 80,754.65 and 39,074.25 is: 58,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,902.11 : 80,754.65 = 39,074.25 : x
  2. Step 2: Convert to fraction form
    53,902.11/80,754.65 = 39,074.25/x
  3. Step 3: Cross multiply
    53,902.11x = 80,754.65 × 39,074.25
  4. Step 4: Simplify right side
    53,902.11x = 3,155,427,382.76
  5. Step 5: Solve for x
    x = 3,155,427,382.76/53,902.11
  6. Step 6: Final answer
    x = 58,539.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.