Home / 53,910.05-74,387.01-30,031.33

Finding the Fourth Proportional to 53,910.05, 74,387.01 and 30,031.33

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Solution

The fourth proportional to 53,910.05, 74,387.01 and 30,031.33 is: 41,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,910.05 : 74,387.01 = 30,031.33 : x
  2. Step 2: Convert to fraction form
    53,910.05/74,387.01 = 30,031.33/x
  3. Step 3: Cross multiply
    53,910.05x = 74,387.01 × 30,031.33
  4. Step 4: Simplify right side
    53,910.05x = 2,233,940,694.87
  5. Step 5: Solve for x
    x = 2,233,940,694.87/53,910.05
  6. Step 6: Final answer
    x = 41,438.30

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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.