Home / 50,618.52-75,920-16,885.14

Finding the Fourth Proportional to 50,618.52, 75,920 and 16,885.14

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Solution

The fourth proportional to 50,618.52, 75,920 and 16,885.14 is: 25,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,618.52 : 75,920 = 16,885.14 : x
  2. Step 2: Convert to fraction form
    50,618.52/75,920 = 16,885.14/x
  3. Step 3: Cross multiply
    50,618.52x = 75,920 × 16,885.14
  4. Step 4: Simplify right side
    50,618.52x = 1,281,919,828.80
  5. Step 5: Solve for x
    x = 1,281,919,828.80/50,618.52
  6. Step 6: Final answer
    x = 25,325.11

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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.