Home / 47,872.32-71,808.52-21,546.32

Finding the Fourth Proportional to 47,872.32, 71,808.52 and 21,546.32

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Solution

The fourth proportional to 47,872.32, 71,808.52 and 21,546.32 is: 32,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872.32 : 71,808.52 = 21,546.32 : x
  2. Step 2: Convert to fraction form
    47,872.32/71,808.52 = 21,546.32/x
  3. Step 3: Cross multiply
    47,872.32x = 71,808.52 × 21,546.32
  4. Step 4: Simplify right side
    47,872.32x = 1,547,209,350.65
  5. Step 5: Solve for x
    x = 1,547,209,350.65/47,872.32
  6. Step 6: Final answer
    x = 32,319.50

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1.5x scale

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.