Home / 33,133.40-45,713.80-18,983.52

Finding the Fourth Proportional to 33,133.40, 45,713.80 and 18,983.52

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Solution

The fourth proportional to 33,133.40, 45,713.80 and 18,983.52 is: 26,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,133.40 : 45,713.80 = 18,983.52 : x
  2. Step 2: Convert to fraction form
    33,133.40/45,713.80 = 18,983.52/x
  3. Step 3: Cross multiply
    33,133.40x = 45,713.80 × 18,983.52
  4. Step 4: Simplify right side
    33,133.40x = 867,808,836.58
  5. Step 5: Solve for x
    x = 867,808,836.58/33,133.40
  6. Step 6: Final answer
    x = 26,191.36

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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.