Home / 39,255.00-54,170.34-21,350.00

Finding the Fourth Proportional to 39,255.00, 54,170.34 and 21,350.00

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Solution

The fourth proportional to 39,255.00, 54,170.34 and 21,350.00 is: 29,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,255.00 : 54,170.34 = 21,350.00 : x
  2. Step 2: Convert to fraction form
    39,255.00/54,170.34 = 21,350.00/x
  3. Step 3: Cross multiply
    39,255.00x = 54,170.34 × 21,350.00
  4. Step 4: Simplify right side
    39,255.00x = 1,156,536,676.95
  5. Step 5: Solve for x
    x = 1,156,536,676.95/39,255.00
  6. Step 6: Final answer
    x = 29,462.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.