Home / 45,096.91-67,660.65-20,154.16

Finding the Fourth Proportional to 45,096.91, 67,660.65 and 20,154.16

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Solution

The fourth proportional to 45,096.91, 67,660.65 and 20,154.16 is: 30,238.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,096.91 : 67,660.65 = 20,154.16 : x
  2. Step 2: Convert to fraction form
    45,096.91/67,660.65 = 20,154.16/x
  3. Step 3: Cross multiply
    45,096.91x = 67,660.65 × 20,154.16
  4. Step 4: Simplify right side
    45,096.91x = 1,363,643,565.80
  5. Step 5: Solve for x
    x = 1,363,643,565.80/45,096.91
  6. Step 6: Final answer
    x = 30,238.07

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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.