Home / 41,613.48-62,407.14-13,905

Finding the Fourth Proportional to 41,613.48, 62,407.14 and 13,905

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Solution

The fourth proportional to 41,613.48, 62,407.14 and 13,905 is: 20,853.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,613.48 : 62,407.14 = 13,905 : x
  2. Step 2: Convert to fraction form
    41,613.48/62,407.14 = 13,905/x
  3. Step 3: Cross multiply
    41,613.48x = 62,407.14 × 13,905
  4. Step 4: Simplify right side
    41,613.48x = 867,771,281.70
  5. Step 5: Solve for x
    x = 867,771,281.70/41,613.48
  6. Step 6: Final answer
    x = 20,853.13

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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.