Home / 54,325.17-81,424.70-20,569.73

Finding the Fourth Proportional to 54,325.17, 81,424.70 and 20,569.73

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Solution

The fourth proportional to 54,325.17, 81,424.70 and 20,569.73 is: 30,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,325.17 : 81,424.70 = 20,569.73 : x
  2. Step 2: Convert to fraction form
    54,325.17/81,424.70 = 20,569.73/x
  3. Step 3: Cross multiply
    54,325.17x = 81,424.70 × 20,569.73
  4. Step 4: Simplify right side
    54,325.17x = 1,674,883,584.36
  5. Step 5: Solve for x
    x = 1,674,883,584.36/54,325.17
  6. Step 6: Final answer
    x = 30,830.71

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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.