Home / 30,882.75-46,320.03-8,697.87

Finding the Fourth Proportional to 30,882.75, 46,320.03 and 8,697.87

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Solution

The fourth proportional to 30,882.75, 46,320.03 and 8,697.87 is: 13,045.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,882.75 : 46,320.03 = 8,697.87 : x
  2. Step 2: Convert to fraction form
    30,882.75/46,320.03 = 8,697.87/x
  3. Step 3: Cross multiply
    30,882.75x = 46,320.03 × 8,697.87
  4. Step 4: Simplify right side
    30,882.75x = 402,885,599.34
  5. Step 5: Solve for x
    x = 402,885,599.34/30,882.75
  6. Step 6: Final answer
    x = 13,045.65

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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.