Home / 39,331.76-54,224.74-38,108.72

Finding the Fourth Proportional to 39,331.76, 54,224.74 and 38,108.72

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Solution

The fourth proportional to 39,331.76, 54,224.74 and 38,108.72 is: 52,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,331.76 : 54,224.74 = 38,108.72 : x
  2. Step 2: Convert to fraction form
    39,331.76/54,224.74 = 38,108.72/x
  3. Step 3: Cross multiply
    39,331.76x = 54,224.74 × 38,108.72
  4. Step 4: Simplify right side
    39,331.76x = 2,066,435,433.73
  5. Step 5: Solve for x
    x = 2,066,435,433.73/39,331.76
  6. Step 6: Final answer
    x = 52,538.60

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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.