Home / 38,394.78-57,499.29-31,772.22

Finding the Fourth Proportional to 38,394.78, 57,499.29 and 31,772.22

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Solution

The fourth proportional to 38,394.78, 57,499.29 and 31,772.22 is: 47,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,394.78 : 57,499.29 = 31,772.22 : x
  2. Step 2: Convert to fraction form
    38,394.78/57,499.29 = 31,772.22/x
  3. Step 3: Cross multiply
    38,394.78x = 57,499.29 × 31,772.22
  4. Step 4: Simplify right side
    38,394.78x = 1,826,880,091.72
  5. Step 5: Solve for x
    x = 1,826,880,091.72/38,394.78
  6. Step 6: Final answer
    x = 47,581.47

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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.