Home / 45,358.14-67,947.39-31,091.51

Finding the Fourth Proportional to 45,358.14, 67,947.39 and 31,091.51

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Solution

The fourth proportional to 45,358.14, 67,947.39 and 31,091.51 is: 46,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,358.14 : 67,947.39 = 31,091.51 : x
  2. Step 2: Convert to fraction form
    45,358.14/67,947.39 = 31,091.51/x
  3. Step 3: Cross multiply
    45,358.14x = 67,947.39 × 31,091.51
  4. Step 4: Simplify right side
    45,358.14x = 2,112,587,125.53
  5. Step 5: Solve for x
    x = 2,112,587,125.53/45,358.14
  6. Step 6: Final answer
    x = 46,575.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.