Home / 30,061.20-41,484.12-16,632.88

Finding the Fourth Proportional to 30,061.20, 41,484.12 and 16,632.88

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Solution

The fourth proportional to 30,061.20, 41,484.12 and 16,632.88 is: 22,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,061.20 : 41,484.12 = 16,632.88 : x
  2. Step 2: Convert to fraction form
    30,061.20/41,484.12 = 16,632.88/x
  3. Step 3: Cross multiply
    30,061.20x = 41,484.12 × 16,632.88
  4. Step 4: Simplify right side
    30,061.20x = 690,000,389.87
  5. Step 5: Solve for x
    x = 690,000,389.87/30,061.20
  6. Step 6: Final answer
    x = 22,953.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.