Home / 39,407.54-54,384.49-22,641.62

Finding the Fourth Proportional to 39,407.54, 54,384.49 and 22,641.62

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Solution

The fourth proportional to 39,407.54, 54,384.49 and 22,641.62 is: 31,246.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,407.54 : 54,384.49 = 22,641.62 : x
  2. Step 2: Convert to fraction form
    39,407.54/54,384.49 = 22,641.62/x
  3. Step 3: Cross multiply
    39,407.54x = 54,384.49 × 22,641.62
  4. Step 4: Simplify right side
    39,407.54x = 1,231,352,956.47
  5. Step 5: Solve for x
    x = 1,231,352,956.47/39,407.54
  6. Step 6: Final answer
    x = 31,246.63

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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.