Home / 35,377.15-48,818.28-21,237.79

Finding the Fourth Proportional to 35,377.15, 48,818.28 and 21,237.79

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Solution

The fourth proportional to 35,377.15, 48,818.28 and 21,237.79 is: 29,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,377.15 : 48,818.28 = 21,237.79 : x
  2. Step 2: Convert to fraction form
    35,377.15/48,818.28 = 21,237.79/x
  3. Step 3: Cross multiply
    35,377.15x = 48,818.28 × 21,237.79
  4. Step 4: Simplify right side
    35,377.15x = 1,036,792,378.80
  5. Step 5: Solve for x
    x = 1,036,792,378.80/35,377.15
  6. Step 6: Final answer
    x = 29,306.84

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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.