Home / 40,423.06-60,636.84-12,347.38

Finding the Fourth Proportional to 40,423.06, 60,636.84 and 12,347.38

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Solution

The fourth proportional to 40,423.06, 60,636.84 and 12,347.38 is: 18,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.06 : 60,636.84 = 12,347.38 : x
  2. Step 2: Convert to fraction form
    40,423.06/60,636.84 = 12,347.38/x
  3. Step 3: Cross multiply
    40,423.06x = 60,636.84 × 12,347.38
  4. Step 4: Simplify right side
    40,423.06x = 748,706,105.48
  5. Step 5: Solve for x
    x = 748,706,105.48/40,423.06
  6. Step 6: Final answer
    x = 18,521.76

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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.