Home / 48,372.12-72,558.18-20,284.70

Finding the Fourth Proportional to 48,372.12, 72,558.18 and 20,284.70

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Solution

The fourth proportional to 48,372.12, 72,558.18 and 20,284.70 is: 30,427.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,372.12 : 72,558.18 = 20,284.70 : x
  2. Step 2: Convert to fraction form
    48,372.12/72,558.18 = 20,284.70/x
  3. Step 3: Cross multiply
    48,372.12x = 72,558.18 × 20,284.70
  4. Step 4: Simplify right side
    48,372.12x = 1,471,820,551.06
  5. Step 5: Solve for x
    x = 1,471,820,551.06/48,372.12
  6. Step 6: Final answer
    x = 30,427.04

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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.