Home / 51,087.51-70,471.62-30,664.14

Finding the Fourth Proportional to 51,087.51, 70,471.62 and 30,664.14

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Solution

The fourth proportional to 51,087.51, 70,471.62 and 30,664.14 is: 42,299.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,087.51 : 70,471.62 = 30,664.14 : x
  2. Step 2: Convert to fraction form
    51,087.51/70,471.62 = 30,664.14/x
  3. Step 3: Cross multiply
    51,087.51x = 70,471.62 × 30,664.14
  4. Step 4: Simplify right side
    51,087.51x = 2,160,951,357.44
  5. Step 5: Solve for x
    x = 2,160,951,357.44/51,087.51
  6. Step 6: Final answer
    x = 42,299.02

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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.