Home / 49,532.16-74,280.96-21,815.04

Finding the Fourth Proportional to 49,532.16, 74,280.96 and 21,815.04

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Solution

The fourth proportional to 49,532.16, 74,280.96 and 21,815.04 is: 32,714.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,532.16 : 74,280.96 = 21,815.04 : x
  2. Step 2: Convert to fraction form
    49,532.16/74,280.96 = 21,815.04/x
  3. Step 3: Cross multiply
    49,532.16x = 74,280.96 × 21,815.04
  4. Step 4: Simplify right side
    49,532.16x = 1,620,442,113.64
  5. Step 5: Solve for x
    x = 1,620,442,113.64/49,532.16
  6. Step 6: Final answer
    x = 32,714.95

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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.