Home / 38,279.97-57,421.23-13,322.10

Finding the Fourth Proportional to 38,279.97, 57,421.23 and 13,322.10

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Solution

The fourth proportional to 38,279.97, 57,421.23 and 13,322.10 is: 19,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.97 : 57,421.23 = 13,322.10 : x
  2. Step 2: Convert to fraction form
    38,279.97/57,421.23 = 13,322.10/x
  3. Step 3: Cross multiply
    38,279.97x = 57,421.23 × 13,322.10
  4. Step 4: Simplify right side
    38,279.97x = 764,971,368.18
  5. Step 5: Solve for x
    x = 764,971,368.18/38,279.97
  6. Step 6: Final answer
    x = 19,983.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.