Home / 47,578.08-71,318.52-30,971.46

Finding the Fourth Proportional to 47,578.08, 71,318.52 and 30,971.46

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Solution

The fourth proportional to 47,578.08, 71,318.52 and 30,971.46 is: 46,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,578.08 : 71,318.52 = 30,971.46 : x
  2. Step 2: Convert to fraction form
    47,578.08/71,318.52 = 30,971.46/x
  3. Step 3: Cross multiply
    47,578.08x = 71,318.52 × 30,971.46
  4. Step 4: Simplify right side
    47,578.08x = 2,208,838,689.44
  5. Step 5: Solve for x
    x = 2,208,838,689.44/47,578.08
  6. Step 6: Final answer
    x = 46,425.55

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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.