Home / 39,290.85-54,217.26-22,938.66

Finding the Fourth Proportional to 39,290.85, 54,217.26 and 22,938.66

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Solution

The fourth proportional to 39,290.85, 54,217.26 and 22,938.66 is: 31,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,290.85 : 54,217.26 = 22,938.66 : x
  2. Step 2: Convert to fraction form
    39,290.85/54,217.26 = 22,938.66/x
  3. Step 3: Cross multiply
    39,290.85x = 54,217.26 × 22,938.66
  4. Step 4: Simplify right side
    39,290.85x = 1,243,671,293.27
  5. Step 5: Solve for x
    x = 1,243,671,293.27/39,290.85
  6. Step 6: Final answer
    x = 31,652.95

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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.