Home / 40,502.18-60,752.91-12,800.18

Finding the Fourth Proportional to 40,502.18, 60,752.91 and 12,800.18

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Solution

The fourth proportional to 40,502.18, 60,752.91 and 12,800.18 is: 19,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,502.18 : 60,752.91 = 12,800.18 : x
  2. Step 2: Convert to fraction form
    40,502.18/60,752.91 = 12,800.18/x
  3. Step 3: Cross multiply
    40,502.18x = 60,752.91 × 12,800.18
  4. Step 4: Simplify right side
    40,502.18x = 777,648,183.52
  5. Step 5: Solve for x
    x = 777,648,183.52/40,502.18
  6. Step 6: Final answer
    x = 19,200.16

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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.