Home / 48,019.52-72,029.25-12,959.16

Finding the Fourth Proportional to 48,019.52, 72,029.25 and 12,959.16

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Solution

The fourth proportional to 48,019.52, 72,029.25 and 12,959.16 is: 19,438.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,019.52 : 72,029.25 = 12,959.16 : x
  2. Step 2: Convert to fraction form
    48,019.52/72,029.25 = 12,959.16/x
  3. Step 3: Cross multiply
    48,019.52x = 72,029.25 × 12,959.16
  4. Step 4: Simplify right side
    48,019.52x = 933,438,575.43
  5. Step 5: Solve for x
    x = 933,438,575.43/48,019.52
  6. Step 6: Final answer
    x = 19,438.73

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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.