Home / 57,981.38-80,030.07-34,115.75

Finding the Fourth Proportional to 57,981.38, 80,030.07 and 34,115.75

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Solution

The fourth proportional to 57,981.38, 80,030.07 and 34,115.75 is: 47,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,981.38 : 80,030.07 = 34,115.75 : x
  2. Step 2: Convert to fraction form
    57,981.38/80,030.07 = 34,115.75/x
  3. Step 3: Cross multiply
    57,981.38x = 80,030.07 × 34,115.75
  4. Step 4: Simplify right side
    57,981.38x = 2,730,285,860.60
  5. Step 5: Solve for x
    x = 2,730,285,860.60/57,981.38
  6. Step 6: Final answer
    x = 47,089.01

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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.