Home / 38,301.13-52,858.75-21,308.57

Finding the Fourth Proportional to 38,301.13, 52,858.75 and 21,308.57

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Solution

The fourth proportional to 38,301.13, 52,858.75 and 21,308.57 is: 29,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,301.13 : 52,858.75 = 21,308.57 : x
  2. Step 2: Convert to fraction form
    38,301.13/52,858.75 = 21,308.57/x
  3. Step 3: Cross multiply
    38,301.13x = 52,858.75 × 21,308.57
  4. Step 4: Simplify right side
    38,301.13x = 1,126,344,387.29
  5. Step 5: Solve for x
    x = 1,126,344,387.29/38,301.13
  6. Step 6: Final answer
    x = 29,407.60

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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.