Home / 66,281.77-99,438.22-21,908.52

Finding the Fourth Proportional to 66,281.77, 99,438.22 and 21,908.52

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Solution

The fourth proportional to 66,281.77, 99,438.22 and 21,908.52 is: 32,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,281.77 : 99,438.22 = 21,908.52 : x
  2. Step 2: Convert to fraction form
    66,281.77/99,438.22 = 21,908.52/x
  3. Step 3: Cross multiply
    66,281.77x = 99,438.22 × 21,908.52
  4. Step 4: Simplify right side
    66,281.77x = 2,178,544,158.29
  5. Step 5: Solve for x
    x = 2,178,544,158.29/66,281.77
  6. Step 6: Final answer
    x = 32,867.92

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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.