Home / 33,318.90-45,983.70-18,983.79

Finding the Fourth Proportional to 33,318.90, 45,983.70 and 18,983.79

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Solution

The fourth proportional to 33,318.90, 45,983.70 and 18,983.79 is: 26,199.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,318.90 : 45,983.70 = 18,983.79 : x
  2. Step 2: Convert to fraction form
    33,318.90/45,983.70 = 18,983.79/x
  3. Step 3: Cross multiply
    33,318.90x = 45,983.70 × 18,983.79
  4. Step 4: Simplify right side
    33,318.90x = 872,944,904.22
  5. Step 5: Solve for x
    x = 872,944,904.22/33,318.90
  6. Step 6: Final answer
    x = 26,199.69

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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.