Home / 39,679.22-54,757.32-22,683.84

Finding the Fourth Proportional to 39,679.22, 54,757.32 and 22,683.84

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Solution

The fourth proportional to 39,679.22, 54,757.32 and 22,683.84 is: 31,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,679.22 : 54,757.32 = 22,683.84 : x
  2. Step 2: Convert to fraction form
    39,679.22/54,757.32 = 22,683.84/x
  3. Step 3: Cross multiply
    39,679.22x = 54,757.32 × 22,683.84
  4. Step 4: Simplify right side
    39,679.22x = 1,242,106,285.71
  5. Step 5: Solve for x
    x = 1,242,106,285.71/39,679.22
  6. Step 6: Final answer
    x = 31,303.70

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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.