Home / 48,149.12-72,232.72-21,855.71

Finding the Fourth Proportional to 48,149.12, 72,232.72 and 21,855.71

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Solution

The fourth proportional to 48,149.12, 72,232.72 and 21,855.71 is: 32,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,149.12 : 72,232.72 = 21,855.71 : x
  2. Step 2: Convert to fraction form
    48,149.12/72,232.72 = 21,855.71/x
  3. Step 3: Cross multiply
    48,149.12x = 72,232.72 × 21,855.71
  4. Step 4: Simplify right side
    48,149.12x = 1,578,697,380.83
  5. Step 5: Solve for x
    x = 1,578,697,380.83/48,149.12
  6. Step 6: Final answer
    x = 32,787.67

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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.