Home / 45,287.09-67,930.43-38,560.95

Finding the Fourth Proportional to 45,287.09, 67,930.43 and 38,560.95

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Solution

The fourth proportional to 45,287.09, 67,930.43 and 38,560.95 is: 57,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,287.09 : 67,930.43 = 38,560.95 : x
  2. Step 2: Convert to fraction form
    45,287.09/67,930.43 = 38,560.95/x
  3. Step 3: Cross multiply
    45,287.09x = 67,930.43 × 38,560.95
  4. Step 4: Simplify right side
    45,287.09x = 2,619,461,914.71
  5. Step 5: Solve for x
    x = 2,619,461,914.71/45,287.09
  6. Step 6: Final answer
    x = 57,841.25

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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.