Home / 57,330.05-79,112.79-31,838.03

Finding the Fourth Proportional to 57,330.05, 79,112.79 and 31,838.03

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Solution

The fourth proportional to 57,330.05, 79,112.79 and 31,838.03 is: 43,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,330.05 : 79,112.79 = 31,838.03 : x
  2. Step 2: Convert to fraction form
    57,330.05/79,112.79 = 31,838.03/x
  3. Step 3: Cross multiply
    57,330.05x = 79,112.79 × 31,838.03
  4. Step 4: Simplify right side
    57,330.05x = 2,518,794,985.84
  5. Step 5: Solve for x
    x = 2,518,794,985.84/57,330.05
  6. Step 6: Final answer
    x = 43,934.99

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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.