Home / 39,679.15-54,757.19-22,683.76

Finding the Fourth Proportional to 39,679.15, 54,757.19 and 22,683.76

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Solution

The fourth proportional to 39,679.15, 54,757.19 and 22,683.76 is: 31,303.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,679.15 : 54,757.19 = 22,683.76 : x
  2. Step 2: Convert to fraction form
    39,679.15/54,757.19 = 22,683.76/x
  3. Step 3: Cross multiply
    39,679.15x = 54,757.19 × 22,683.76
  4. Step 4: Simplify right side
    39,679.15x = 1,242,098,956.23
  5. Step 5: Solve for x
    x = 1,242,098,956.23/39,679.15
  6. Step 6: Final answer
    x = 31,303.57

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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.