Home / 66,655.12-99,982.50-22,281.88

Finding the Fourth Proportional to 66,655.12, 99,982.50 and 22,281.88

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Solution

The fourth proportional to 66,655.12, 99,982.50 and 22,281.88 is: 33,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,655.12 : 99,982.50 = 22,281.88 : x
  2. Step 2: Convert to fraction form
    66,655.12/99,982.50 = 22,281.88/x
  3. Step 3: Cross multiply
    66,655.12x = 99,982.50 × 22,281.88
  4. Step 4: Simplify right side
    66,655.12x = 2,227,798,067.10
  5. Step 5: Solve for x
    x = 2,227,798,067.10/66,655.12
  6. Step 6: Final answer
    x = 33,422.76

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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.