Home / 33,031.47-49,561.09-20,561.93

Finding the Fourth Proportional to 33,031.47, 49,561.09 and 20,561.93

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Solution

The fourth proportional to 33,031.47, 49,561.09 and 20,561.93 is: 30,851.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,031.47 : 49,561.09 = 20,561.93 : x
  2. Step 2: Convert to fraction form
    33,031.47/49,561.09 = 20,561.93/x
  3. Step 3: Cross multiply
    33,031.47x = 49,561.09 × 20,561.93
  4. Step 4: Simplify right side
    33,031.47x = 1,019,071,364.09
  5. Step 5: Solve for x
    x = 1,019,071,364.09/33,031.47
  6. Step 6: Final answer
    x = 30,851.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.