Home / 39,290.47-54,222.13-22,295.43

Finding the Fourth Proportional to 39,290.47, 54,222.13 and 22,295.43

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Solution

The fourth proportional to 39,290.47, 54,222.13 and 22,295.43 is: 30,768.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,290.47 : 54,222.13 = 22,295.43 : x
  2. Step 2: Convert to fraction form
    39,290.47/54,222.13 = 22,295.43/x
  3. Step 3: Cross multiply
    39,290.47x = 54,222.13 × 22,295.43
  4. Step 4: Simplify right side
    39,290.47x = 1,208,905,672.42
  5. Step 5: Solve for x
    x = 1,208,905,672.42/39,290.47
  6. Step 6: Final answer
    x = 30,768.42

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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.