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Finding the Fourth Proportional to 41,878.59, 62,822.01 and 13,798.89

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Solution

The fourth proportional to 41,878.59, 62,822.01 and 13,798.89 is: 20,699.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,878.59 : 62,822.01 = 13,798.89 : x
  2. Step 2: Convert to fraction form
    41,878.59/62,822.01 = 13,798.89/x
  3. Step 3: Cross multiply
    41,878.59x = 62,822.01 × 13,798.89
  4. Step 4: Simplify right side
    41,878.59x = 866,874,005.57
  5. Step 5: Solve for x
    x = 866,874,005.57/41,878.59
  6. Step 6: Final answer
    x = 20,699.69

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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.