Home / 48,189.77-72,284.62-20,123.04

Finding the Fourth Proportional to 48,189.77, 72,284.62 and 20,123.04

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Solution

The fourth proportional to 48,189.77, 72,284.62 and 20,123.04 is: 30,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,189.77 : 72,284.62 = 20,123.04 : x
  2. Step 2: Convert to fraction form
    48,189.77/72,284.62 = 20,123.04/x
  3. Step 3: Cross multiply
    48,189.77x = 72,284.62 × 20,123.04
  4. Step 4: Simplify right side
    48,189.77x = 1,454,586,299.64
  5. Step 5: Solve for x
    x = 1,454,586,299.64/48,189.77
  6. Step 6: Final answer
    x = 30,184.55

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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.