Home / 57,379.32-86,049.54-21,832.20

Finding the Fourth Proportional to 57,379.32, 86,049.54 and 21,832.20

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Solution

The fourth proportional to 57,379.32, 86,049.54 and 21,832.20 is: 32,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,379.32 : 86,049.54 = 21,832.20 : x
  2. Step 2: Convert to fraction form
    57,379.32/86,049.54 = 21,832.20/x
  3. Step 3: Cross multiply
    57,379.32x = 86,049.54 × 21,832.20
  4. Step 4: Simplify right side
    57,379.32x = 1,878,650,767.19
  5. Step 5: Solve for x
    x = 1,878,650,767.19/57,379.32
  6. Step 6: Final answer
    x = 32,740.90

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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.