Home / 38,919.35-58,384.13-13,962.20

Finding the Fourth Proportional to 38,919.35, 58,384.13 and 13,962.20

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Solution

The fourth proportional to 38,919.35, 58,384.13 and 13,962.20 is: 20,945.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.35 : 58,384.13 = 13,962.20 : x
  2. Step 2: Convert to fraction form
    38,919.35/58,384.13 = 13,962.20/x
  3. Step 3: Cross multiply
    38,919.35x = 58,384.13 × 13,962.20
  4. Step 4: Simplify right side
    38,919.35x = 815,170,538.15
  5. Step 5: Solve for x
    x = 815,170,538.15/38,919.35
  6. Step 6: Final answer
    x = 20,945.12

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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.