Home / 36,031.47-49,722.46-19,897.79

Finding the Fourth Proportional to 36,031.47, 49,722.46 and 19,897.79

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Solution

The fourth proportional to 36,031.47, 49,722.46 and 19,897.79 is: 27,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,031.47 : 49,722.46 = 19,897.79 : x
  2. Step 2: Convert to fraction form
    36,031.47/49,722.46 = 19,897.79/x
  3. Step 3: Cross multiply
    36,031.47x = 49,722.46 × 19,897.79
  4. Step 4: Simplify right side
    36,031.47x = 989,366,769.01
  5. Step 5: Solve for x
    x = 989,366,769.01/36,031.47
  6. Step 6: Final answer
    x = 27,458.41

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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.