Home / 40,267.10-60,401.24-12,187.43

Finding the Fourth Proportional to 40,267.10, 60,401.24 and 12,187.43

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Solution

The fourth proportional to 40,267.10, 60,401.24 and 12,187.43 is: 18,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,267.10 : 60,401.24 = 12,187.43 : x
  2. Step 2: Convert to fraction form
    40,267.10/60,401.24 = 12,187.43/x
  3. Step 3: Cross multiply
    40,267.10x = 60,401.24 × 12,187.43
  4. Step 4: Simplify right side
    40,267.10x = 736,135,521.47
  5. Step 5: Solve for x
    x = 736,135,521.47/40,267.10
  6. Step 6: Final answer
    x = 18,281.32

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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.