Home / 40,417.92-60,618.24-12,709.76

Finding the Fourth Proportional to 40,417.92, 60,618.24 and 12,709.76

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Solution

The fourth proportional to 40,417.92, 60,618.24 and 12,709.76 is: 19,061.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,417.92 : 60,618.24 = 12,709.76 : x
  2. Step 2: Convert to fraction form
    40,417.92/60,618.24 = 12,709.76/x
  3. Step 3: Cross multiply
    40,417.92x = 60,618.24 × 12,709.76
  4. Step 4: Simplify right side
    40,417.92x = 770,443,282.02
  5. Step 5: Solve for x
    x = 770,443,282.02/40,417.92
  6. Step 6: Final answer
    x = 19,061.92

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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.