Home / 41,641.20-62,461.80-13,561.20

Finding the Fourth Proportional to 41,641.20, 62,461.80 and 13,561.20

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Solution

The fourth proportional to 41,641.20, 62,461.80 and 13,561.20 is: 20,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,641.20 : 62,461.80 = 13,561.20 : x
  2. Step 2: Convert to fraction form
    41,641.20/62,461.80 = 13,561.20/x
  3. Step 3: Cross multiply
    41,641.20x = 62,461.80 × 13,561.20
  4. Step 4: Simplify right side
    41,641.20x = 847,056,962.16
  5. Step 5: Solve for x
    x = 847,056,962.16/41,641.20
  6. Step 6: Final answer
    x = 20,341.80

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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.