Home / 33,930-46,818.48-18,822.72

Finding the Fourth Proportional to 33,930, 46,818.48 and 18,822.72

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Solution

The fourth proportional to 33,930, 46,818.48 and 18,822.72 is: 25,972.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,930 : 46,818.48 = 18,822.72 : x
  2. Step 2: Convert to fraction form
    33,930/46,818.48 = 18,822.72/x
  3. Step 3: Cross multiply
    33,930x = 46,818.48 × 18,822.72
  4. Step 4: Simplify right side
    33,930x = 881,251,139.87
  5. Step 5: Solve for x
    x = 881,251,139.87/33,930
  6. Step 6: Final answer
    x = 25,972.62

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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.