Home / 40,277.79-60,425.40-15,318.30

Finding the Fourth Proportional to 40,277.79, 60,425.40 and 15,318.30

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Solution

The fourth proportional to 40,277.79, 60,425.40 and 15,318.30 is: 22,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,277.79 : 60,425.40 = 15,318.30 : x
  2. Step 2: Convert to fraction form
    40,277.79/60,425.40 = 15,318.30/x
  3. Step 3: Cross multiply
    40,277.79x = 60,425.40 × 15,318.30
  4. Step 4: Simplify right side
    40,277.79x = 925,614,404.82
  5. Step 5: Solve for x
    x = 925,614,404.82/40,277.79
  6. Step 6: Final answer
    x = 22,980.76

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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.