Home / 41,521.72-62,272.86-20,440.12

Finding the Fourth Proportional to 41,521.72, 62,272.86 and 20,440.12

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Solution

The fourth proportional to 41,521.72, 62,272.86 and 20,440.12 is: 30,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,521.72 : 62,272.86 = 20,440.12 : x
  2. Step 2: Convert to fraction form
    41,521.72/62,272.86 = 20,440.12/x
  3. Step 3: Cross multiply
    41,521.72x = 62,272.86 × 20,440.12
  4. Step 4: Simplify right side
    41,521.72x = 1,272,864,731.14
  5. Step 5: Solve for x
    x = 1,272,864,731.14/41,521.72
  6. Step 6: Final answer
    x = 30,655.40

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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.