Home / 33,291.45-45,938.07-18,953.13

Finding the Fourth Proportional to 33,291.45, 45,938.07 and 18,953.13

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Solution

The fourth proportional to 33,291.45, 45,938.07 and 18,953.13 is: 26,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,291.45 : 45,938.07 = 18,953.13 : x
  2. Step 2: Convert to fraction form
    33,291.45/45,938.07 = 18,953.13/x
  3. Step 3: Cross multiply
    33,291.45x = 45,938.07 × 18,953.13
  4. Step 4: Simplify right side
    33,291.45x = 870,670,212.66
  5. Step 5: Solve for x
    x = 870,670,212.66/33,291.45
  6. Step 6: Final answer
    x = 26,152.97

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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.