Home / 36,022.60-49,710.90-20,106.55

Finding the Fourth Proportional to 36,022.60, 49,710.90 and 20,106.55

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Solution

The fourth proportional to 36,022.60, 49,710.90 and 20,106.55 is: 27,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,022.60 : 49,710.90 = 20,106.55 : x
  2. Step 2: Convert to fraction form
    36,022.60/49,710.90 = 20,106.55/x
  3. Step 3: Cross multiply
    36,022.60x = 49,710.90 × 20,106.55
  4. Step 4: Simplify right side
    36,022.60x = 999,514,696.40
  5. Step 5: Solve for x
    x = 999,514,696.40/36,022.60
  6. Step 6: Final answer
    x = 27,746.88

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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.