Home / 24,103.70-36,119.10-20,385.80

Finding the Fourth Proportional to 24,103.70, 36,119.10 and 20,385.80

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Solution

The fourth proportional to 24,103.70, 36,119.10 and 20,385.80 is: 30,547.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,103.70 : 36,119.10 = 20,385.80 : x
  2. Step 2: Convert to fraction form
    24,103.70/36,119.10 = 20,385.80/x
  3. Step 3: Cross multiply
    24,103.70x = 36,119.10 × 20,385.80
  4. Step 4: Simplify right side
    24,103.70x = 736,316,748.78
  5. Step 5: Solve for x
    x = 736,316,748.78/24,103.70
  6. Step 6: Final answer
    x = 30,547.87

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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.