Home / 38,115.12-52,602.24-21,348

Finding the Fourth Proportional to 38,115.12, 52,602.24 and 21,348

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Solution

The fourth proportional to 38,115.12, 52,602.24 and 21,348 is: 29,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115.12 : 52,602.24 = 21,348 : x
  2. Step 2: Convert to fraction form
    38,115.12/52,602.24 = 21,348/x
  3. Step 3: Cross multiply
    38,115.12x = 52,602.24 × 21,348
  4. Step 4: Simplify right side
    38,115.12x = 1,122,952,619.52
  5. Step 5: Solve for x
    x = 1,122,952,619.52/38,115.12
  6. Step 6: Final answer
    x = 29,462.13

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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.