Home / 41,320.90-61,990.05-21,594.16

Finding the Fourth Proportional to 41,320.90, 61,990.05 and 21,594.16

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Solution

The fourth proportional to 41,320.90, 61,990.05 and 21,594.16 is: 32,395.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,320.90 : 61,990.05 = 21,594.16 : x
  2. Step 2: Convert to fraction form
    41,320.90/61,990.05 = 21,594.16/x
  3. Step 3: Cross multiply
    41,320.90x = 61,990.05 × 21,594.16
  4. Step 4: Simplify right side
    41,320.90x = 1,338,623,058.11
  5. Step 5: Solve for x
    x = 1,338,623,058.11/41,320.90
  6. Step 6: Final answer
    x = 32,395.79

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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.