Home / 39,677.40-54,751.60-22,680.76

Finding the Fourth Proportional to 39,677.40, 54,751.60 and 22,680.76

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Solution

The fourth proportional to 39,677.40, 54,751.60 and 22,680.76 is: 31,297.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,677.40 : 54,751.60 = 22,680.76 : x
  2. Step 2: Convert to fraction form
    39,677.40/54,751.60 = 22,680.76/x
  3. Step 3: Cross multiply
    39,677.40x = 54,751.60 × 22,680.76
  4. Step 4: Simplify right side
    39,677.40x = 1,241,807,899.22
  5. Step 5: Solve for x
    x = 1,241,807,899.22/39,677.40
  6. Step 6: Final answer
    x = 31,297.61

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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.