Home / 33,119.31-45,703.63-18,780.46

Finding the Fourth Proportional to 33,119.31, 45,703.63 and 18,780.46

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Solution

The fourth proportional to 33,119.31, 45,703.63 and 18,780.46 is: 25,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,119.31 : 45,703.63 = 18,780.46 : x
  2. Step 2: Convert to fraction form
    33,119.31/45,703.63 = 18,780.46/x
  3. Step 3: Cross multiply
    33,119.31x = 45,703.63 × 18,780.46
  4. Step 4: Simplify right side
    33,119.31x = 858,335,195.07
  5. Step 5: Solve for x
    x = 858,335,195.07/33,119.31
  6. Step 6: Final answer
    x = 25,916.46

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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.