Home / 40,148.48-60,225.92-12,446.08

Finding the Fourth Proportional to 40,148.48, 60,225.92 and 12,446.08

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Solution

The fourth proportional to 40,148.48, 60,225.92 and 12,446.08 is: 18,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,148.48 : 60,225.92 = 12,446.08 : x
  2. Step 2: Convert to fraction form
    40,148.48/60,225.92 = 12,446.08/x
  3. Step 3: Cross multiply
    40,148.48x = 60,225.92 × 12,446.08
  4. Step 4: Simplify right side
    40,148.48x = 749,576,618.39
  5. Step 5: Solve for x
    x = 749,576,618.39/40,148.48
  6. Step 6: Final answer
    x = 18,670.11

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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.