Home / 40,020.55-59,989.11-15,043.39

Finding the Fourth Proportional to 40,020.55, 59,989.11 and 15,043.39

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Solution

The fourth proportional to 40,020.55, 59,989.11 and 15,043.39 is: 22,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,020.55 : 59,989.11 = 15,043.39 : x
  2. Step 2: Convert to fraction form
    40,020.55/59,989.11 = 15,043.39/x
  3. Step 3: Cross multiply
    40,020.55x = 59,989.11 × 15,043.39
  4. Step 4: Simplify right side
    40,020.55x = 902,439,577.48
  5. Step 5: Solve for x
    x = 902,439,577.48/40,020.55
  6. Step 6: Final answer
    x = 22,549.40

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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.