Home / 38,042.81-52,500.65-21,046.78

Finding the Fourth Proportional to 38,042.81, 52,500.65 and 21,046.78

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Solution

The fourth proportional to 38,042.81, 52,500.65 and 21,046.78 is: 29,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,042.81 : 52,500.65 = 21,046.78 : x
  2. Step 2: Convert to fraction form
    38,042.81/52,500.65 = 21,046.78/x
  3. Step 3: Cross multiply
    38,042.81x = 52,500.65 × 21,046.78
  4. Step 4: Simplify right side
    38,042.81x = 1,104,969,262.67
  5. Step 5: Solve for x
    x = 1,104,969,262.67/38,042.81
  6. Step 6: Final answer
    x = 29,045.42

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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.