Home / 34,515.28-47,631.08-19,611.28

Finding the Fourth Proportional to 34,515.28, 47,631.08 and 19,611.28

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Solution

The fourth proportional to 34,515.28, 47,631.08 and 19,611.28 is: 27,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,515.28 : 47,631.08 = 19,611.28 : x
  2. Step 2: Convert to fraction form
    34,515.28/47,631.08 = 19,611.28/x
  3. Step 3: Cross multiply
    34,515.28x = 47,631.08 × 19,611.28
  4. Step 4: Simplify right side
    34,515.28x = 934,106,446.58
  5. Step 5: Solve for x
    x = 934,106,446.58/34,515.28
  6. Step 6: Final answer
    x = 27,063.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.