Home / 43,763.90-65,649.29-21,565.17

Finding the Fourth Proportional to 43,763.90, 65,649.29 and 21,565.17

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Solution

The fourth proportional to 43,763.90, 65,649.29 and 21,565.17 is: 32,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,763.90 : 65,649.29 = 21,565.17 : x
  2. Step 2: Convert to fraction form
    43,763.90/65,649.29 = 21,565.17/x
  3. Step 3: Cross multiply
    43,763.90x = 65,649.29 × 21,565.17
  4. Step 4: Simplify right side
    43,763.90x = 1,415,737,991.40
  5. Step 5: Solve for x
    x = 1,415,737,991.40/43,763.90
  6. Step 6: Final answer
    x = 32,349.45

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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.