Home / 40,103.13-60,154.69-12,401.13

Finding the Fourth Proportional to 40,103.13, 60,154.69 and 12,401.13

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Solution

The fourth proportional to 40,103.13, 60,154.69 and 12,401.13 is: 18,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,103.13 : 60,154.69 = 12,401.13 : x
  2. Step 2: Convert to fraction form
    40,103.13/60,154.69 = 12,401.13/x
  3. Step 3: Cross multiply
    40,103.13x = 60,154.69 × 12,401.13
  4. Step 4: Simplify right side
    40,103.13x = 745,986,130.80
  5. Step 5: Solve for x
    x = 745,986,130.80/40,103.13
  6. Step 6: Final answer
    x = 18,601.69

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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.