Home / 36,001.40-49,685.76-20,091.36

Finding the Fourth Proportional to 36,001.40, 49,685.76 and 20,091.36

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Solution

The fourth proportional to 36,001.40, 49,685.76 and 20,091.36 is: 27,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,001.40 : 49,685.76 = 20,091.36 : x
  2. Step 2: Convert to fraction form
    36,001.40/49,685.76 = 20,091.36/x
  3. Step 3: Cross multiply
    36,001.40x = 49,685.76 × 20,091.36
  4. Step 4: Simplify right side
    36,001.40x = 998,254,491.03
  5. Step 5: Solve for x
    x = 998,254,491.03/36,001.40
  6. Step 6: Final answer
    x = 27,728.21

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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.