Home / 49,613.80-74,420.70-28,532.20

Finding the Fourth Proportional to 49,613.80, 74,420.70 and 28,532.20

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Solution

The fourth proportional to 49,613.80, 74,420.70 and 28,532.20 is: 42,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,613.80 : 74,420.70 = 28,532.20 : x
  2. Step 2: Convert to fraction form
    49,613.80/74,420.70 = 28,532.20/x
  3. Step 3: Cross multiply
    49,613.80x = 74,420.70 × 28,532.20
  4. Step 4: Simplify right side
    49,613.80x = 2,123,386,296.54
  5. Step 5: Solve for x
    x = 2,123,386,296.54/49,613.80
  6. Step 6: Final answer
    x = 42,798.30

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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.