Home / 31,853.85-47,817.68-17,091.60

Finding the Fourth Proportional to 31,853.85, 47,817.68 and 17,091.60

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Solution

The fourth proportional to 31,853.85, 47,817.68 and 17,091.60 is: 25,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853.85 : 47,817.68 = 17,091.60 : x
  2. Step 2: Convert to fraction form
    31,853.85/47,817.68 = 17,091.60/x
  3. Step 3: Cross multiply
    31,853.85x = 47,817.68 × 17,091.60
  4. Step 4: Simplify right side
    31,853.85x = 817,280,420.40
  5. Step 5: Solve for x
    x = 817,280,420.40/31,853.85
  6. Step 6: Final answer
    x = 25,657.20

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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.