Home / 45,449.20-62,708.36-28,461.68

Finding the Fourth Proportional to 45,449.20, 62,708.36 and 28,461.68

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Solution

The fourth proportional to 45,449.20, 62,708.36 and 28,461.68 is: 39,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,449.20 : 62,708.36 = 28,461.68 : x
  2. Step 2: Convert to fraction form
    45,449.20/62,708.36 = 28,461.68/x
  3. Step 3: Cross multiply
    45,449.20x = 62,708.36 × 28,461.68
  4. Step 4: Simplify right side
    45,449.20x = 1,784,785,275.64
  5. Step 5: Solve for x
    x = 1,784,785,275.64/45,449.20
  6. Step 6: Final answer
    x = 39,269.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.