Home / 25,071.42-37,608.17-20,680.70

Finding the Fourth Proportional to 25,071.42, 37,608.17 and 20,680.70

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Solution

The fourth proportional to 25,071.42, 37,608.17 and 20,680.70 is: 31,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,071.42 : 37,608.17 = 20,680.70 : x
  2. Step 2: Convert to fraction form
    25,071.42/37,608.17 = 20,680.70/x
  3. Step 3: Cross multiply
    25,071.42x = 37,608.17 × 20,680.70
  4. Step 4: Simplify right side
    25,071.42x = 777,763,281.32
  5. Step 5: Solve for x
    x = 777,763,281.32/25,071.42
  6. Step 6: Final answer
    x = 31,021.91

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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.