Home / 48,031.92-72,051.35-18,449.75

Finding the Fourth Proportional to 48,031.92, 72,051.35 and 18,449.75

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Solution

The fourth proportional to 48,031.92, 72,051.35 and 18,449.75 is: 27,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,031.92 : 72,051.35 = 18,449.75 : x
  2. Step 2: Convert to fraction form
    48,031.92/72,051.35 = 18,449.75/x
  3. Step 3: Cross multiply
    48,031.92x = 72,051.35 × 18,449.75
  4. Step 4: Simplify right side
    48,031.92x = 1,329,329,482.54
  5. Step 5: Solve for x
    x = 1,329,329,482.54/48,031.92
  6. Step 6: Final answer
    x = 27,675.96

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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.