Home / 38,367.55-52,948.80-21,371.76

Finding the Fourth Proportional to 38,367.55, 52,948.80 and 21,371.76

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Solution

The fourth proportional to 38,367.55, 52,948.80 and 21,371.76 is: 29,493.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,367.55 : 52,948.80 = 21,371.76 : x
  2. Step 2: Convert to fraction form
    38,367.55/52,948.80 = 21,371.76/x
  3. Step 3: Cross multiply
    38,367.55x = 52,948.80 × 21,371.76
  4. Step 4: Simplify right side
    38,367.55x = 1,131,609,045.89
  5. Step 5: Solve for x
    x = 1,131,609,045.89/38,367.55
  6. Step 6: Final answer
    x = 29,493.91

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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.