Home / 39,759.59-54,869.43-22,769.34

Finding the Fourth Proportional to 39,759.59, 54,869.43 and 22,769.34

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Solution

The fourth proportional to 39,759.59, 54,869.43 and 22,769.34 is: 31,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,759.59 : 54,869.43 = 22,769.34 : x
  2. Step 2: Convert to fraction form
    39,759.59/54,869.43 = 22,769.34/x
  3. Step 3: Cross multiply
    39,759.59x = 54,869.43 × 22,769.34
  4. Step 4: Simplify right side
    39,759.59x = 1,249,340,394.78
  5. Step 5: Solve for x
    x = 1,249,340,394.78/39,759.59
  6. Step 6: Final answer
    x = 31,422.36

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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.