Home / 39,426.72-54,428.40-25,100.79

Finding the Fourth Proportional to 39,426.72, 54,428.40 and 25,100.79

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Solution

The fourth proportional to 39,426.72, 54,428.40 and 25,100.79 is: 34,651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,426.72 : 54,428.40 = 25,100.79 : x
  2. Step 2: Convert to fraction form
    39,426.72/54,428.40 = 25,100.79/x
  3. Step 3: Cross multiply
    39,426.72x = 54,428.40 × 25,100.79
  4. Step 4: Simplify right side
    39,426.72x = 1,366,195,838.44
  5. Step 5: Solve for x
    x = 1,366,195,838.44/39,426.72
  6. Step 6: Final answer
    x = 34,651.52

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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.