Home / 33,139.55-45,732.22-19,710.51

Finding the Fourth Proportional to 33,139.55, 45,732.22 and 19,710.51

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Solution

The fourth proportional to 33,139.55, 45,732.22 and 19,710.51 is: 27,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.55 : 45,732.22 = 19,710.51 : x
  2. Step 2: Convert to fraction form
    33,139.55/45,732.22 = 19,710.51/x
  3. Step 3: Cross multiply
    33,139.55x = 45,732.22 × 19,710.51
  4. Step 4: Simplify right side
    33,139.55x = 901,405,330.36
  5. Step 5: Solve for x
    x = 901,405,330.36/33,139.55
  6. Step 6: Final answer
    x = 27,200.29

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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.