Home / 48,431.68-72,621.06-15,142.84

Finding the Fourth Proportional to 48,431.68, 72,621.06 and 15,142.84

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Solution

The fourth proportional to 48,431.68, 72,621.06 and 15,142.84 is: 22,705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,431.68 : 72,621.06 = 15,142.84 : x
  2. Step 2: Convert to fraction form
    48,431.68/72,621.06 = 15,142.84/x
  3. Step 3: Cross multiply
    48,431.68x = 72,621.06 × 15,142.84
  4. Step 4: Simplify right side
    48,431.68x = 1,099,689,092.21
  5. Step 5: Solve for x
    x = 1,099,689,092.21/48,431.68
  6. Step 6: Final answer
    x = 22,705.99

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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.