Home / 47,635.20-71,429.76-27,920.16

Finding the Fourth Proportional to 47,635.20, 71,429.76 and 27,920.16

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Solution

The fourth proportional to 47,635.20, 71,429.76 and 27,920.16 is: 41,866.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,635.20 : 71,429.76 = 27,920.16 : x
  2. Step 2: Convert to fraction form
    47,635.20/71,429.76 = 27,920.16/x
  3. Step 3: Cross multiply
    47,635.20x = 71,429.76 × 27,920.16
  4. Step 4: Simplify right side
    47,635.20x = 1,994,330,327.96
  5. Step 5: Solve for x
    x = 1,994,330,327.96/47,635.20
  6. Step 6: Final answer
    x = 41,866.74

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1.5x scale

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.