Home / 36,105.51-54,159.38-9,810.81

Finding the Fourth Proportional to 36,105.51, 54,159.38 and 9,810.81

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Solution

The fourth proportional to 36,105.51, 54,159.38 and 9,810.81 is: 14,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,105.51 : 54,159.38 = 9,810.81 : x
  2. Step 2: Convert to fraction form
    36,105.51/54,159.38 = 9,810.81/x
  3. Step 3: Cross multiply
    36,105.51x = 54,159.38 × 9,810.81
  4. Step 4: Simplify right side
    36,105.51x = 531,347,337.84
  5. Step 5: Solve for x
    x = 531,347,337.84/36,105.51
  6. Step 6: Final answer
    x = 14,716.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.