Home / 38,948.02-53,748.20-21,042.97

Finding the Fourth Proportional to 38,948.02, 53,748.20 and 21,042.97

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Solution

The fourth proportional to 38,948.02, 53,748.20 and 21,042.97 is: 29,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,948.02 : 53,748.20 = 21,042.97 : x
  2. Step 2: Convert to fraction form
    38,948.02/53,748.20 = 21,042.97/x
  3. Step 3: Cross multiply
    38,948.02x = 53,748.20 × 21,042.97
  4. Step 4: Simplify right side
    38,948.02x = 1,131,021,760.15
  5. Step 5: Solve for x
    x = 1,131,021,760.15/38,948.02
  6. Step 6: Final answer
    x = 29,039.26

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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.