Home / 76,468.59-114,708.96-20,307.24

Finding the Fourth Proportional to 76,468.59, 114,708.96 and 20,307.24

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Solution

The fourth proportional to 76,468.59, 114,708.96 and 20,307.24 is: 30,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,468.59 : 114,708.96 = 20,307.24 : x
  2. Step 2: Convert to fraction form
    76,468.59/114,708.96 = 20,307.24/x
  3. Step 3: Cross multiply
    76,468.59x = 114,708.96 × 20,307.24
  4. Step 4: Simplify right side
    76,468.59x = 2,329,422,380.87
  5. Step 5: Solve for x
    x = 2,329,422,380.87/76,468.59
  6. Step 6: Final answer
    x = 30,462.47

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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.