Home / 40,103.10-60,154.65-12,401.10

Finding the Fourth Proportional to 40,103.10, 60,154.65 and 12,401.10

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Solution

The fourth proportional to 40,103.10, 60,154.65 and 12,401.10 is: 18,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,103.10 : 60,154.65 = 12,401.10 : x
  2. Step 2: Convert to fraction form
    40,103.10/60,154.65 = 12,401.10/x
  3. Step 3: Cross multiply
    40,103.10x = 60,154.65 × 12,401.10
  4. Step 4: Simplify right side
    40,103.10x = 745,983,830.12
  5. Step 5: Solve for x
    x = 745,983,830.12/40,103.10
  6. Step 6: Final answer
    x = 18,601.65

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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.