Home / 39,340.80-54,284.16-22,570.56

Finding the Fourth Proportional to 39,340.80, 54,284.16 and 22,570.56

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Solution

The fourth proportional to 39,340.80, 54,284.16 and 22,570.56 is: 31,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,340.80 : 54,284.16 = 22,570.56 : x
  2. Step 2: Convert to fraction form
    39,340.80/54,284.16 = 22,570.56/x
  3. Step 3: Cross multiply
    39,340.80x = 54,284.16 × 22,570.56
  4. Step 4: Simplify right side
    39,340.80x = 1,225,223,890.33
  5. Step 5: Solve for x
    x = 1,225,223,890.33/39,340.80
  6. Step 6: Final answer
    x = 31,143.85

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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.