Home / 40,534.55-60,799.40-12,454.87

Finding the Fourth Proportional to 40,534.55, 60,799.40 and 12,454.87

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Solution

The fourth proportional to 40,534.55, 60,799.40 and 12,454.87 is: 18,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,534.55 : 60,799.40 = 12,454.87 : x
  2. Step 2: Convert to fraction form
    40,534.55/60,799.40 = 12,454.87/x
  3. Step 3: Cross multiply
    40,534.55x = 60,799.40 × 12,454.87
  4. Step 4: Simplify right side
    40,534.55x = 757,248,623.08
  5. Step 5: Solve for x
    x = 757,248,623.08/40,534.55
  6. Step 6: Final answer
    x = 18,681.56

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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.