Home / 45,283.74-67,829.85-28,635.18

Finding the Fourth Proportional to 45,283.74, 67,829.85 and 28,635.18

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Solution

The fourth proportional to 45,283.74, 67,829.85 and 28,635.18 is: 42,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,283.74 : 67,829.85 = 28,635.18 : x
  2. Step 2: Convert to fraction form
    45,283.74/67,829.85 = 28,635.18/x
  3. Step 3: Cross multiply
    45,283.74x = 67,829.85 × 28,635.18
  4. Step 4: Simplify right side
    45,283.74x = 1,942,319,964.12
  5. Step 5: Solve for x
    x = 1,942,319,964.12/45,283.74
  6. Step 6: Final answer
    x = 42,892.22

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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.