Home / 57,974.48-86,972.66-21,961.72

Finding the Fourth Proportional to 57,974.48, 86,972.66 and 21,961.72

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Solution

The fourth proportional to 57,974.48, 86,972.66 and 21,961.72 is: 32,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,974.48 : 86,972.66 = 21,961.72 : x
  2. Step 2: Convert to fraction form
    57,974.48/86,972.66 = 21,961.72/x
  3. Step 3: Cross multiply
    57,974.48x = 86,972.66 × 21,961.72
  4. Step 4: Simplify right side
    57,974.48x = 1,910,069,157.81
  5. Step 5: Solve for x
    x = 1,910,069,157.81/57,974.48
  6. Step 6: Final answer
    x = 32,946.72

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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.