Home / 66,031.74-99,037.89-21,693.96

Finding the Fourth Proportional to 66,031.74, 99,037.89 and 21,693.96

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Solution

The fourth proportional to 66,031.74, 99,037.89 and 21,693.96 is: 32,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,031.74 : 99,037.89 = 21,693.96 : x
  2. Step 2: Convert to fraction form
    66,031.74/99,037.89 = 21,693.96/x
  3. Step 3: Cross multiply
    66,031.74x = 99,037.89 × 21,693.96
  4. Step 4: Simplify right side
    66,031.74x = 2,148,524,024.14
  5. Step 5: Solve for x
    x = 2,148,524,024.14/66,031.74
  6. Step 6: Final answer
    x = 32,537.75

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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.