Home / 30,540.59-45,816.35-15,745.53

Finding the Fourth Proportional to 30,540.59, 45,816.35 and 15,745.53

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Solution

The fourth proportional to 30,540.59, 45,816.35 and 15,745.53 is: 23,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,540.59 : 45,816.35 = 15,745.53 : x
  2. Step 2: Convert to fraction form
    30,540.59/45,816.35 = 15,745.53/x
  3. Step 3: Cross multiply
    30,540.59x = 45,816.35 × 15,745.53
  4. Step 4: Simplify right side
    30,540.59x = 721,402,634.69
  5. Step 5: Solve for x
    x = 721,402,634.69/30,540.59
  6. Step 6: Final answer
    x = 23,621.11

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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.