Home / 38,956.24-58,421.08-12,654.48

Finding the Fourth Proportional to 38,956.24, 58,421.08 and 12,654.48

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Solution

The fourth proportional to 38,956.24, 58,421.08 and 12,654.48 is: 18,977.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,956.24 : 58,421.08 = 12,654.48 : x
  2. Step 2: Convert to fraction form
    38,956.24/58,421.08 = 12,654.48/x
  3. Step 3: Cross multiply
    38,956.24x = 58,421.08 × 12,654.48
  4. Step 4: Simplify right side
    38,956.24x = 739,288,388.44
  5. Step 5: Solve for x
    x = 739,288,388.44/38,956.24
  6. Step 6: Final answer
    x = 18,977.41

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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.