Home / 38,189.96-52,702.10-21,422.92

Finding the Fourth Proportional to 38,189.96, 52,702.10 and 21,422.92

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Solution

The fourth proportional to 38,189.96, 52,702.10 and 21,422.92 is: 29,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.96 : 52,702.10 = 21,422.92 : x
  2. Step 2: Convert to fraction form
    38,189.96/52,702.10 = 21,422.92/x
  3. Step 3: Cross multiply
    38,189.96x = 52,702.10 × 21,422.92
  4. Step 4: Simplify right side
    38,189.96x = 1,129,032,872.13
  5. Step 5: Solve for x
    x = 1,129,032,872.13/38,189.96
  6. Step 6: Final answer
    x = 29,563.60

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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.