Home / 47,944.32-66,152.16-28,815.36

Finding the Fourth Proportional to 47,944.32, 66,152.16 and 28,815.36

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Solution

The fourth proportional to 47,944.32, 66,152.16 and 28,815.36 is: 39,758.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,944.32 : 66,152.16 = 28,815.36 : x
  2. Step 2: Convert to fraction form
    47,944.32/66,152.16 = 28,815.36/x
  3. Step 3: Cross multiply
    47,944.32x = 66,152.16 × 28,815.36
  4. Step 4: Simplify right side
    47,944.32x = 1,906,198,305.18
  5. Step 5: Solve for x
    x = 1,906,198,305.18/47,944.32
  6. Step 6: Final answer
    x = 39,758.58

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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.