Home / 36,022.47-49,709.40-20,106.56

Finding the Fourth Proportional to 36,022.47, 49,709.40 and 20,106.56

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Solution

The fourth proportional to 36,022.47, 49,709.40 and 20,106.56 is: 27,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,022.47 : 49,709.40 = 20,106.56 : x
  2. Step 2: Convert to fraction form
    36,022.47/49,709.40 = 20,106.56/x
  3. Step 3: Cross multiply
    36,022.47x = 49,709.40 × 20,106.56
  4. Step 4: Simplify right side
    36,022.47x = 999,484,785.12
  5. Step 5: Solve for x
    x = 999,484,785.12/36,022.47
  6. Step 6: Final answer
    x = 27,746.15

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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.