Home / 48,018.83-72,029.52-12,958.38

Finding the Fourth Proportional to 48,018.83, 72,029.52 and 12,958.38

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Solution

The fourth proportional to 48,018.83, 72,029.52 and 12,958.38 is: 19,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,018.83 : 72,029.52 = 12,958.38 : x
  2. Step 2: Convert to fraction form
    48,018.83/72,029.52 = 12,958.38/x
  3. Step 3: Cross multiply
    48,018.83x = 72,029.52 × 12,958.38
  4. Step 4: Simplify right side
    48,018.83x = 933,385,891.38
  5. Step 5: Solve for x
    x = 933,385,891.38/48,018.83
  6. Step 6: Final answer
    x = 19,437.92

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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.