Home / 54,281.07-81,791.37-44,636.40

Finding the Fourth Proportional to 54,281.07, 81,791.37 and 44,636.40

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Solution

The fourth proportional to 54,281.07, 81,791.37 and 44,636.40 is: 67,258.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281.07 : 81,791.37 = 44,636.40 : x
  2. Step 2: Convert to fraction form
    54,281.07/81,791.37 = 44,636.40/x
  3. Step 3: Cross multiply
    54,281.07x = 81,791.37 × 44,636.40
  4. Step 4: Simplify right side
    54,281.07x = 3,650,872,307.87
  5. Step 5: Solve for x
    x = 3,650,872,307.87/54,281.07
  6. Step 6: Final answer
    x = 67,258.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.