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Finding the Fourth Proportional to 60,070.56, 90,100.80 and 18,517.92

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Solution

The fourth proportional to 60,070.56, 90,100.80 and 18,517.92 is: 27,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,070.56 : 90,100.80 = 18,517.92 : x
  2. Step 2: Convert to fraction form
    60,070.56/90,100.80 = 18,517.92/x
  3. Step 3: Cross multiply
    60,070.56x = 90,100.80 × 18,517.92
  4. Step 4: Simplify right side
    60,070.56x = 1,668,479,406.34
  5. Step 5: Solve for x
    x = 1,668,479,406.34/60,070.56
  6. Step 6: Final answer
    x = 27,775.33

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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.