Home / 39,312.72-54,261.36-22,327.02

Finding the Fourth Proportional to 39,312.72, 54,261.36 and 22,327.02

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Solution

The fourth proportional to 39,312.72, 54,261.36 and 22,327.02 is: 30,816.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,312.72 : 54,261.36 = 22,327.02 : x
  2. Step 2: Convert to fraction form
    39,312.72/54,261.36 = 22,327.02/x
  3. Step 3: Cross multiply
    39,312.72x = 54,261.36 × 22,327.02
  4. Step 4: Simplify right side
    39,312.72x = 1,211,494,469.95
  5. Step 5: Solve for x
    x = 1,211,494,469.95/39,312.72
  6. Step 6: Final answer
    x = 30,816.86

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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.