Home / 48,271.20-66,616.08-28,141.04

Finding the Fourth Proportional to 48,271.20, 66,616.08 and 28,141.04

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Solution

The fourth proportional to 48,271.20, 66,616.08 and 28,141.04 is: 38,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,271.20 : 66,616.08 = 28,141.04 : x
  2. Step 2: Convert to fraction form
    48,271.20/66,616.08 = 28,141.04/x
  3. Step 3: Cross multiply
    48,271.20x = 66,616.08 × 28,141.04
  4. Step 4: Simplify right side
    48,271.20x = 1,874,645,771.92
  5. Step 5: Solve for x
    x = 1,874,645,771.92/48,271.20
  6. Step 6: Final answer
    x = 38,835.70

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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.