Home / 38,473.03-57,702.25-13,507.21

Finding the Fourth Proportional to 38,473.03, 57,702.25 and 13,507.21

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Solution

The fourth proportional to 38,473.03, 57,702.25 and 13,507.21 is: 20,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,473.03 : 57,702.25 = 13,507.21 : x
  2. Step 2: Convert to fraction form
    38,473.03/57,702.25 = 13,507.21/x
  3. Step 3: Cross multiply
    38,473.03x = 57,702.25 × 13,507.21
  4. Step 4: Simplify right side
    38,473.03x = 779,396,052.18
  5. Step 5: Solve for x
    x = 779,396,052.18/38,473.03
  6. Step 6: Final answer
    x = 20,258.25

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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.