Home / 30,228.55-45,350.51-17,759.11

Finding the Fourth Proportional to 30,228.55, 45,350.51 and 17,759.11

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Solution

The fourth proportional to 30,228.55, 45,350.51 and 17,759.11 is: 26,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,228.55 : 45,350.51 = 17,759.11 : x
  2. Step 2: Convert to fraction form
    30,228.55/45,350.51 = 17,759.11/x
  3. Step 3: Cross multiply
    30,228.55x = 45,350.51 × 17,759.11
  4. Step 4: Simplify right side
    30,228.55x = 805,384,695.65
  5. Step 5: Solve for x
    x = 805,384,695.65/30,228.55
  6. Step 6: Final answer
    x = 26,643.18

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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.