Home / 38,341.26-52,909.65-21,571.02

Finding the Fourth Proportional to 38,341.26, 52,909.65 and 21,571.02

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Solution

The fourth proportional to 38,341.26, 52,909.65 and 21,571.02 is: 29,767.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,341.26 : 52,909.65 = 21,571.02 : x
  2. Step 2: Convert to fraction form
    38,341.26/52,909.65 = 21,571.02/x
  3. Step 3: Cross multiply
    38,341.26x = 52,909.65 × 21,571.02
  4. Step 4: Simplify right side
    38,341.26x = 1,141,315,142.76
  5. Step 5: Solve for x
    x = 1,141,315,142.76/38,341.26
  6. Step 6: Final answer
    x = 29,767.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.