Home / 20,175.87-30,307.60-17,062.13

Finding the Fourth Proportional to 20,175.87, 30,307.60 and 17,062.13

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Solution

The fourth proportional to 20,175.87, 30,307.60 and 17,062.13 is: 25,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.87 : 30,307.60 = 17,062.13 : x
  2. Step 2: Convert to fraction form
    20,175.87/30,307.60 = 17,062.13/x
  3. Step 3: Cross multiply
    20,175.87x = 30,307.60 × 17,062.13
  4. Step 4: Simplify right side
    20,175.87x = 517,112,211.19
  5. Step 5: Solve for x
    x = 517,112,211.19/20,175.87
  6. Step 6: Final answer
    x = 25,630.23

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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.