Home / 38,383.13-52,967.93-21,387.31

Finding the Fourth Proportional to 38,383.13, 52,967.93 and 21,387.31

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Solution

The fourth proportional to 38,383.13, 52,967.93 and 21,387.31 is: 29,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,383.13 : 52,967.93 = 21,387.31 : x
  2. Step 2: Convert to fraction form
    38,383.13/52,967.93 = 21,387.31/x
  3. Step 3: Cross multiply
    38,383.13x = 52,967.93 × 21,387.31
  4. Step 4: Simplify right side
    38,383.13x = 1,132,841,299.61
  5. Step 5: Solve for x
    x = 1,132,841,299.61/38,383.13
  6. Step 6: Final answer
    x = 29,514.04

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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.