Home / 34,770.79-52,155.64-13,993.75

Finding the Fourth Proportional to 34,770.79, 52,155.64 and 13,993.75

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Solution

The fourth proportional to 34,770.79, 52,155.64 and 13,993.75 is: 20,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,770.79 : 52,155.64 = 13,993.75 : x
  2. Step 2: Convert to fraction form
    34,770.79/52,155.64 = 13,993.75/x
  3. Step 3: Cross multiply
    34,770.79x = 52,155.64 × 13,993.75
  4. Step 4: Simplify right side
    34,770.79x = 729,852,987.25
  5. Step 5: Solve for x
    x = 729,852,987.25/34,770.79
  6. Step 6: Final answer
    x = 20,990.41

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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.