Home / 47,891.88-66,037.95-32,787

Finding the Fourth Proportional to 47,891.88, 66,037.95 and 32,787

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Solution

The fourth proportional to 47,891.88, 66,037.95 and 32,787 is: 45,209.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,891.88 : 66,037.95 = 32,787 : x
  2. Step 2: Convert to fraction form
    47,891.88/66,037.95 = 32,787/x
  3. Step 3: Cross multiply
    47,891.88x = 66,037.95 × 32,787
  4. Step 4: Simplify right side
    47,891.88x = 2,165,186,266.65
  5. Step 5: Solve for x
    x = 2,165,186,266.65/47,891.88
  6. Step 6: Final answer
    x = 45,209.88

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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.