Home / 30,522.62-45,778.16-9,459.99

Finding the Fourth Proportional to 30,522.62, 45,778.16 and 9,459.99

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Solution

The fourth proportional to 30,522.62, 45,778.16 and 9,459.99 is: 14,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522.62 : 45,778.16 = 9,459.99 : x
  2. Step 2: Convert to fraction form
    30,522.62/45,778.16 = 9,459.99/x
  3. Step 3: Cross multiply
    30,522.62x = 45,778.16 × 9,459.99
  4. Step 4: Simplify right side
    30,522.62x = 433,060,959.47
  5. Step 5: Solve for x
    x = 433,060,959.47/30,522.62
  6. Step 6: Final answer
    x = 14,188.20

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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.