Home / 39,933.68-55,108.35-22,030.65

Finding the Fourth Proportional to 39,933.68, 55,108.35 and 22,030.65

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Solution

The fourth proportional to 39,933.68, 55,108.35 and 22,030.65 is: 30,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,933.68 : 55,108.35 = 22,030.65 : x
  2. Step 2: Convert to fraction form
    39,933.68/55,108.35 = 22,030.65/x
  3. Step 3: Cross multiply
    39,933.68x = 55,108.35 × 22,030.65
  4. Step 4: Simplify right side
    39,933.68x = 1,214,072,770.93
  5. Step 5: Solve for x
    x = 1,214,072,770.93/39,933.68
  6. Step 6: Final answer
    x = 30,402.23

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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.