Home / 54,258.95-81,387.56-14,815.94

Finding the Fourth Proportional to 54,258.95, 81,387.56 and 14,815.94

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Solution

The fourth proportional to 54,258.95, 81,387.56 and 14,815.94 is: 22,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,258.95 : 81,387.56 = 14,815.94 : x
  2. Step 2: Convert to fraction form
    54,258.95/81,387.56 = 14,815.94/x
  3. Step 3: Cross multiply
    54,258.95x = 81,387.56 × 14,815.94
  4. Step 4: Simplify right side
    54,258.95x = 1,205,832,724.69
  5. Step 5: Solve for x
    x = 1,205,832,724.69/54,258.95
  6. Step 6: Final answer
    x = 22,223.67

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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.