Home / 50,972.74-76,459.11-15,915.40

Finding the Fourth Proportional to 50,972.74, 76,459.11 and 15,915.40

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Solution

The fourth proportional to 50,972.74, 76,459.11 and 15,915.40 is: 23,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,972.74 : 76,459.11 = 15,915.40 : x
  2. Step 2: Convert to fraction form
    50,972.74/76,459.11 = 15,915.40/x
  3. Step 3: Cross multiply
    50,972.74x = 76,459.11 × 15,915.40
  4. Step 4: Simplify right side
    50,972.74x = 1,216,876,937.00
  5. Step 5: Solve for x
    x = 1,216,876,937.00/50,972.74
  6. Step 6: Final answer
    x = 23,873.09

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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.