Home / 45,155.23-67,700.04-18,867.49

Finding the Fourth Proportional to 45,155.23, 67,700.04 and 18,867.49

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Solution

The fourth proportional to 45,155.23, 67,700.04 and 18,867.49 is: 28,287.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,155.23 : 67,700.04 = 18,867.49 : x
  2. Step 2: Convert to fraction form
    45,155.23/67,700.04 = 18,867.49/x
  3. Step 3: Cross multiply
    45,155.23x = 67,700.04 × 18,867.49
  4. Step 4: Simplify right side
    45,155.23x = 1,277,329,827.70
  5. Step 5: Solve for x
    x = 1,277,329,827.70/45,155.23
  6. Step 6: Final answer
    x = 28,287.53

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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.