Home / 57,282.18-85,902.77-19,832.20

Finding the Fourth Proportional to 57,282.18, 85,902.77 and 19,832.20

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Solution

The fourth proportional to 57,282.18, 85,902.77 and 19,832.20 is: 29,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,282.18 : 85,902.77 = 19,832.20 : x
  2. Step 2: Convert to fraction form
    57,282.18/85,902.77 = 19,832.20/x
  3. Step 3: Cross multiply
    57,282.18x = 85,902.77 × 19,832.20
  4. Step 4: Simplify right side
    57,282.18x = 1,703,640,915.19
  5. Step 5: Solve for x
    x = 1,703,640,915.19/57,282.18
  6. Step 6: Final answer
    x = 29,741.20

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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.