Home / 54,087.21-74,712.38-43,516.71

Finding the Fourth Proportional to 54,087.21, 74,712.38 and 43,516.71

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Solution

The fourth proportional to 54,087.21, 74,712.38 and 43,516.71 is: 60,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,087.21 : 74,712.38 = 43,516.71 : x
  2. Step 2: Convert to fraction form
    54,087.21/74,712.38 = 43,516.71/x
  3. Step 3: Cross multiply
    54,087.21x = 74,712.38 × 43,516.71
  4. Step 4: Simplify right side
    54,087.21x = 3,251,236,756.29
  5. Step 5: Solve for x
    x = 3,251,236,756.29/54,087.21
  6. Step 6: Final answer
    x = 60,111.01

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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.