Home / 40,999.15-61,445.92-19,898.35

Finding the Fourth Proportional to 40,999.15, 61,445.92 and 19,898.35

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Solution

The fourth proportional to 40,999.15, 61,445.92 and 19,898.35 is: 29,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,999.15 : 61,445.92 = 19,898.35 : x
  2. Step 2: Convert to fraction form
    40,999.15/61,445.92 = 19,898.35/x
  3. Step 3: Cross multiply
    40,999.15x = 61,445.92 × 19,898.35
  4. Step 4: Simplify right side
    40,999.15x = 1,222,672,322.74
  5. Step 5: Solve for x
    x = 1,222,672,322.74/40,999.15
  6. Step 6: Final answer
    x = 29,821.90

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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.