Home / 57,306.32-85,910.58-21,747.76

Finding the Fourth Proportional to 57,306.32, 85,910.58 and 21,747.76

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Solution

The fourth proportional to 57,306.32, 85,910.58 and 21,747.76 is: 32,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,306.32 : 85,910.58 = 21,747.76 : x
  2. Step 2: Convert to fraction form
    57,306.32/85,910.58 = 21,747.76/x
  3. Step 3: Cross multiply
    57,306.32x = 85,910.58 × 21,747.76
  4. Step 4: Simplify right side
    57,306.32x = 1,868,362,675.30
  5. Step 5: Solve for x
    x = 1,868,362,675.30/57,306.32
  6. Step 6: Final answer
    x = 32,603.08

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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.