Home / 47,078.85-70,618.32-33,101.40

Finding the Fourth Proportional to 47,078.85, 70,618.32 and 33,101.40

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Solution

The fourth proportional to 47,078.85, 70,618.32 and 33,101.40 is: 49,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,078.85 : 70,618.32 = 33,101.40 : x
  2. Step 2: Convert to fraction form
    47,078.85/70,618.32 = 33,101.40/x
  3. Step 3: Cross multiply
    47,078.85x = 70,618.32 × 33,101.40
  4. Step 4: Simplify right side
    47,078.85x = 2,337,565,257.65
  5. Step 5: Solve for x
    x = 2,337,565,257.65/47,078.85
  6. Step 6: Final answer
    x = 49,652.13

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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.