Home / 47,370.78-65,366.12-28,251.61

Finding the Fourth Proportional to 47,370.78, 65,366.12 and 28,251.61

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Solution

The fourth proportional to 47,370.78, 65,366.12 and 28,251.61 is: 38,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,370.78 : 65,366.12 = 28,251.61 : x
  2. Step 2: Convert to fraction form
    47,370.78/65,366.12 = 28,251.61/x
  3. Step 3: Cross multiply
    47,370.78x = 65,366.12 × 28,251.61
  4. Step 4: Simplify right side
    47,370.78x = 1,846,698,129.45
  5. Step 5: Solve for x
    x = 1,846,698,129.45/47,370.78
  6. Step 6: Final answer
    x = 38,983.91

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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.