Home / 38,344.29-52,913.88-21,348

Finding the Fourth Proportional to 38,344.29, 52,913.88 and 21,348

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Solution

The fourth proportional to 38,344.29, 52,913.88 and 21,348 is: 29,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,344.29 : 52,913.88 = 21,348 : x
  2. Step 2: Convert to fraction form
    38,344.29/52,913.88 = 21,348/x
  3. Step 3: Cross multiply
    38,344.29x = 52,913.88 × 21,348
  4. Step 4: Simplify right side
    38,344.29x = 1,129,605,510.24
  5. Step 5: Solve for x
    x = 1,129,605,510.24/38,344.29
  6. Step 6: Final answer
    x = 29,459.55

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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.