Home / 53,071.57-73,239.39-30,410.11

Finding the Fourth Proportional to 53,071.57, 73,239.39 and 30,410.11

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Solution

The fourth proportional to 53,071.57, 73,239.39 and 30,410.11 is: 41,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,071.57 : 73,239.39 = 30,410.11 : x
  2. Step 2: Convert to fraction form
    53,071.57/73,239.39 = 30,410.11/x
  3. Step 3: Cross multiply
    53,071.57x = 73,239.39 × 30,410.11
  4. Step 4: Simplify right side
    53,071.57x = 2,227,217,906.23
  5. Step 5: Solve for x
    x = 2,227,217,906.23/53,071.57
  6. Step 6: Final answer
    x = 41,966.31

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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.