Home / 33,249.57-45,881.28-19,818.15

Finding the Fourth Proportional to 33,249.57, 45,881.28 and 19,818.15

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Solution

The fourth proportional to 33,249.57, 45,881.28 and 19,818.15 is: 27,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,249.57 : 45,881.28 = 19,818.15 : x
  2. Step 2: Convert to fraction form
    33,249.57/45,881.28 = 19,818.15/x
  3. Step 3: Cross multiply
    33,249.57x = 45,881.28 × 19,818.15
  4. Step 4: Simplify right side
    33,249.57x = 909,282,089.23
  5. Step 5: Solve for x
    x = 909,282,089.23/33,249.57
  6. Step 6: Final answer
    x = 27,347.18

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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.