Home / 48,647.86-67,138.12-27,431.52

Finding the Fourth Proportional to 48,647.86, 67,138.12 and 27,431.52

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Solution

The fourth proportional to 48,647.86, 67,138.12 and 27,431.52 is: 37,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,647.86 : 67,138.12 = 27,431.52 : x
  2. Step 2: Convert to fraction form
    48,647.86/67,138.12 = 27,431.52/x
  3. Step 3: Cross multiply
    48,647.86x = 67,138.12 × 27,431.52
  4. Step 4: Simplify right side
    48,647.86x = 1,841,700,681.54
  5. Step 5: Solve for x
    x = 1,841,700,681.54/48,647.86
  6. Step 6: Final answer
    x = 37,857.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.