Home / 30,246.87-45,354.69-13,592.67

Finding the Fourth Proportional to 30,246.87, 45,354.69 and 13,592.67

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Solution

The fourth proportional to 30,246.87, 45,354.69 and 13,592.67 is: 20,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.87 : 45,354.69 = 13,592.67 : x
  2. Step 2: Convert to fraction form
    30,246.87/45,354.69 = 13,592.67/x
  3. Step 3: Cross multiply
    30,246.87x = 45,354.69 × 13,592.67
  4. Step 4: Simplify right side
    30,246.87x = 616,491,334.12
  5. Step 5: Solve for x
    x = 616,491,334.12/30,246.87
  6. Step 6: Final answer
    x = 20,381.99

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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.