Home / 36,046.20-49,743.54-20,130.68

Finding the Fourth Proportional to 36,046.20, 49,743.54 and 20,130.68

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Solution

The fourth proportional to 36,046.20, 49,743.54 and 20,130.68 is: 27,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,046.20 : 49,743.54 = 20,130.68 : x
  2. Step 2: Convert to fraction form
    36,046.20/49,743.54 = 20,130.68/x
  3. Step 3: Cross multiply
    36,046.20x = 49,743.54 × 20,130.68
  4. Step 4: Simplify right side
    36,046.20x = 1,001,371,285.81
  5. Step 5: Solve for x
    x = 1,001,371,285.81/36,046.20
  6. Step 6: Final answer
    x = 27,780.22

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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.