Home / 39,148.92-54,016.14-22,377.72

Finding the Fourth Proportional to 39,148.92, 54,016.14 and 22,377.72

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Solution

The fourth proportional to 39,148.92, 54,016.14 and 22,377.72 is: 30,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148.92 : 54,016.14 = 22,377.72 : x
  2. Step 2: Convert to fraction form
    39,148.92/54,016.14 = 22,377.72/x
  3. Step 3: Cross multiply
    39,148.92x = 54,016.14 × 22,377.72
  4. Step 4: Simplify right side
    39,148.92x = 1,208,758,056.40
  5. Step 5: Solve for x
    x = 1,208,758,056.40/39,148.92
  6. Step 6: Final answer
    x = 30,875.90

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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.