Home / 37,071.46-51,157.68-20,718.82

Finding the Fourth Proportional to 37,071.46, 51,157.68 and 20,718.82

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Solution

The fourth proportional to 37,071.46, 51,157.68 and 20,718.82 is: 28,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,071.46 : 51,157.68 = 20,718.82 : x
  2. Step 2: Convert to fraction form
    37,071.46/51,157.68 = 20,718.82/x
  3. Step 3: Cross multiply
    37,071.46x = 51,157.68 × 20,718.82
  4. Step 4: Simplify right side
    37,071.46x = 1,059,926,763.54
  5. Step 5: Solve for x
    x = 1,059,926,763.54/37,071.46
  6. Step 6: Final answer
    x = 28,591.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.