Home / 39,377.39-54,350.48-30,411.23

Finding the Fourth Proportional to 39,377.39, 54,350.48 and 30,411.23

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Solution

The fourth proportional to 39,377.39, 54,350.48 and 30,411.23 is: 41,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,377.39 : 54,350.48 = 30,411.23 : x
  2. Step 2: Convert to fraction form
    39,377.39/54,350.48 = 30,411.23/x
  3. Step 3: Cross multiply
    39,377.39x = 54,350.48 × 30,411.23
  4. Step 4: Simplify right side
    39,377.39x = 1,652,864,795.83
  5. Step 5: Solve for x
    x = 1,652,864,795.83/39,377.39
  6. Step 6: Final answer
    x = 41,974.97

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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.