Home / 38,119.13-52,604.40-21,352.13

Finding the Fourth Proportional to 38,119.13, 52,604.40 and 21,352.13

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Solution

The fourth proportional to 38,119.13, 52,604.40 and 21,352.13 is: 29,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,119.13 : 52,604.40 = 21,352.13 : x
  2. Step 2: Convert to fraction form
    38,119.13/52,604.40 = 21,352.13/x
  3. Step 3: Cross multiply
    38,119.13x = 52,604.40 × 21,352.13
  4. Step 4: Simplify right side
    38,119.13x = 1,123,215,987.37
  5. Step 5: Solve for x
    x = 1,123,215,987.37/38,119.13
  6. Step 6: Final answer
    x = 29,465.94

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Double scale
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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.