Home / 40,111.32-60,148.08-12,020.52

Finding the Fourth Proportional to 40,111.32, 60,148.08 and 12,020.52

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Solution

The fourth proportional to 40,111.32, 60,148.08 and 12,020.52 is: 18,025.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,111.32 : 60,148.08 = 12,020.52 : x
  2. Step 2: Convert to fraction form
    40,111.32/60,148.08 = 12,020.52/x
  3. Step 3: Cross multiply
    40,111.32x = 60,148.08 × 12,020.52
  4. Step 4: Simplify right side
    40,111.32x = 723,011,198.60
  5. Step 5: Solve for x
    x = 723,011,198.60/40,111.32
  6. Step 6: Final answer
    x = 18,025.12

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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.