Home / 73,931.64-110,885.58-20,625

Finding the Fourth Proportional to 73,931.64, 110,885.58 and 20,625

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Solution

The fourth proportional to 73,931.64, 110,885.58 and 20,625 is: 30,934.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,931.64 : 110,885.58 = 20,625 : x
  2. Step 2: Convert to fraction form
    73,931.64/110,885.58 = 20,625/x
  3. Step 3: Cross multiply
    73,931.64x = 110,885.58 × 20,625
  4. Step 4: Simplify right side
    73,931.64x = 2,287,015,087.50
  5. Step 5: Solve for x
    x = 2,287,015,087.50/73,931.64
  6. Step 6: Final answer
    x = 30,934.19

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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.