Home / 35,017.92-48,318.12-20,872.08

Finding the Fourth Proportional to 35,017.92, 48,318.12 and 20,872.08

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Solution

The fourth proportional to 35,017.92, 48,318.12 and 20,872.08 is: 28,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,017.92 : 48,318.12 = 20,872.08 : x
  2. Step 2: Convert to fraction form
    35,017.92/48,318.12 = 20,872.08/x
  3. Step 3: Cross multiply
    35,017.92x = 48,318.12 × 20,872.08
  4. Step 4: Simplify right side
    35,017.92x = 1,008,499,666.09
  5. Step 5: Solve for x
    x = 1,008,499,666.09/35,017.92
  6. Step 6: Final answer
    x = 28,799.53

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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.