Home / 57,206.93-78,938.01-31,711.97

Finding the Fourth Proportional to 57,206.93, 78,938.01 and 31,711.97

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Solution

The fourth proportional to 57,206.93, 78,938.01 and 31,711.97 is: 43,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,206.93 : 78,938.01 = 31,711.97 : x
  2. Step 2: Convert to fraction form
    57,206.93/78,938.01 = 31,711.97/x
  3. Step 3: Cross multiply
    57,206.93x = 78,938.01 × 31,711.97
  4. Step 4: Simplify right side
    57,206.93x = 2,503,280,002.32
  5. Step 5: Solve for x
    x = 2,503,280,002.32/57,206.93
  6. Step 6: Final answer
    x = 43,758.34

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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.