Home / 54,327.67-81,491.51-19,259.13

Finding the Fourth Proportional to 54,327.67, 81,491.51 and 19,259.13

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Solution

The fourth proportional to 54,327.67, 81,491.51 and 19,259.13 is: 28,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.67 : 81,491.51 = 19,259.13 : x
  2. Step 2: Convert to fraction form
    54,327.67/81,491.51 = 19,259.13/x
  3. Step 3: Cross multiply
    54,327.67x = 81,491.51 × 19,259.13
  4. Step 4: Simplify right side
    54,327.67x = 1,569,455,584.99
  5. Step 5: Solve for x
    x = 1,569,455,584.99/54,327.67
  6. Step 6: Final answer
    x = 28,888.70

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Similar ratio
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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.