Home / 57,211.10-85,832.85-17,772.20

Finding the Fourth Proportional to 57,211.10, 85,832.85 and 17,772.20

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Solution

The fourth proportional to 57,211.10, 85,832.85 and 17,772.20 is: 26,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,211.10 : 85,832.85 = 17,772.20 : x
  2. Step 2: Convert to fraction form
    57,211.10/85,832.85 = 17,772.20/x
  3. Step 3: Cross multiply
    57,211.10x = 85,832.85 × 17,772.20
  4. Step 4: Simplify right side
    57,211.10x = 1,525,438,576.77
  5. Step 5: Solve for x
    x = 1,525,438,576.77/57,211.10
  6. Step 6: Final answer
    x = 26,663.33

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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.