Home / 57,219.48-85,853.88-30,942.72

Finding the Fourth Proportional to 57,219.48, 85,853.88 and 30,942.72

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Solution

The fourth proportional to 57,219.48, 85,853.88 and 30,942.72 is: 46,427.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,219.48 : 85,853.88 = 30,942.72 : x
  2. Step 2: Convert to fraction form
    57,219.48/85,853.88 = 30,942.72/x
  3. Step 3: Cross multiply
    57,219.48x = 85,853.88 × 30,942.72
  4. Step 4: Simplify right side
    57,219.48x = 2,656,552,569.75
  5. Step 5: Solve for x
    x = 2,656,552,569.75/57,219.48
  6. Step 6: Final answer
    x = 46,427.42

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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.