Home / 47,838.32-66,003.68-28,713.12

Finding the Fourth Proportional to 47,838.32, 66,003.68 and 28,713.12

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Solution

The fourth proportional to 47,838.32, 66,003.68 and 28,713.12 is: 39,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,838.32 : 66,003.68 = 28,713.12 : x
  2. Step 2: Convert to fraction form
    47,838.32/66,003.68 = 28,713.12/x
  3. Step 3: Cross multiply
    47,838.32x = 66,003.68 × 28,713.12
  4. Step 4: Simplify right side
    47,838.32x = 1,895,171,584.28
  5. Step 5: Solve for x
    x = 1,895,171,584.28/47,838.32
  6. Step 6: Final answer
    x = 39,616.18

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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.