Home / 45,013.01-67,513.91-28,147.49

Finding the Fourth Proportional to 45,013.01, 67,513.91 and 28,147.49

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Solution

The fourth proportional to 45,013.01, 67,513.91 and 28,147.49 is: 42,217.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,013.01 : 67,513.91 = 28,147.49 : x
  2. Step 2: Convert to fraction form
    45,013.01/67,513.91 = 28,147.49/x
  3. Step 3: Cross multiply
    45,013.01x = 67,513.91 × 28,147.49
  4. Step 4: Simplify right side
    45,013.01x = 1,900,347,345.74
  5. Step 5: Solve for x
    x = 1,900,347,345.74/45,013.01
  6. Step 6: Final answer
    x = 42,217.74

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1.5x scale

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.