Home / 38,503.24-53,132.92-21,507.22

Finding the Fourth Proportional to 38,503.24, 53,132.92 and 21,507.22

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Solution

The fourth proportional to 38,503.24, 53,132.92 and 21,507.22 is: 29,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,503.24 : 53,132.92 = 21,507.22 : x
  2. Step 2: Convert to fraction form
    38,503.24/53,132.92 = 21,507.22/x
  3. Step 3: Cross multiply
    38,503.24x = 53,132.92 × 21,507.22
  4. Step 4: Simplify right side
    38,503.24x = 1,142,741,173.95
  5. Step 5: Solve for x
    x = 1,142,741,173.95/38,503.24
  6. Step 6: Final answer
    x = 29,679.09

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1.5x scale

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.