Home / 47,394.10-71,118.69-28,711.45

Finding the Fourth Proportional to 47,394.10, 71,118.69 and 28,711.45

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Solution

The fourth proportional to 47,394.10, 71,118.69 and 28,711.45 is: 43,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,394.10 : 71,118.69 = 28,711.45 : x
  2. Step 2: Convert to fraction form
    47,394.10/71,118.69 = 28,711.45/x
  3. Step 3: Cross multiply
    47,394.10x = 71,118.69 × 28,711.45
  4. Step 4: Simplify right side
    47,394.10x = 2,041,920,712.00
  5. Step 5: Solve for x
    x = 2,041,920,712.00/47,394.10
  6. Step 6: Final answer
    x = 43,083.86

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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.