Home / 43,985.92-66,084.04-28,221.91

Finding the Fourth Proportional to 43,985.92, 66,084.04 and 28,221.91

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Solution

The fourth proportional to 43,985.92, 66,084.04 and 28,221.91 is: 42,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,985.92 : 66,084.04 = 28,221.91 : x
  2. Step 2: Convert to fraction form
    43,985.92/66,084.04 = 28,221.91/x
  3. Step 3: Cross multiply
    43,985.92x = 66,084.04 × 28,221.91
  4. Step 4: Simplify right side
    43,985.92x = 1,865,017,829.32
  5. Step 5: Solve for x
    x = 1,865,017,829.32/43,985.92
  6. Step 6: Final answer
    x = 42,400.34

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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.