Home / 45,355.20-68,032.95-13,765.53

Finding the Fourth Proportional to 45,355.20, 68,032.95 and 13,765.53

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Solution

The fourth proportional to 45,355.20, 68,032.95 and 13,765.53 is: 20,648.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,355.20 : 68,032.95 = 13,765.53 : x
  2. Step 2: Convert to fraction form
    45,355.20/68,032.95 = 13,765.53/x
  3. Step 3: Cross multiply
    45,355.20x = 68,032.95 × 13,765.53
  4. Step 4: Simplify right side
    45,355.20x = 936,509,614.21
  5. Step 5: Solve for x
    x = 936,509,614.21/45,355.20
  6. Step 6: Final answer
    x = 20,648.34

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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.