Home / 45,352.39-68,028.73-13,762.72

Finding the Fourth Proportional to 45,352.39, 68,028.73 and 13,762.72

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Solution

The fourth proportional to 45,352.39, 68,028.73 and 13,762.72 is: 20,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,352.39 : 68,028.73 = 13,762.72 : x
  2. Step 2: Convert to fraction form
    45,352.39/68,028.73 = 13,762.72/x
  3. Step 3: Cross multiply
    45,352.39x = 68,028.73 × 13,762.72
  4. Step 4: Simplify right side
    45,352.39x = 936,260,158.47
  5. Step 5: Solve for x
    x = 936,260,158.47/45,352.39
  6. Step 6: Final answer
    x = 20,644.12

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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.