Home / 51,318.08-70,802.88-30,098.24

Finding the Fourth Proportional to 51,318.08, 70,802.88 and 30,098.24

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Solution

The fourth proportional to 51,318.08, 70,802.88 and 30,098.24 is: 41,526.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,318.08 : 70,802.88 = 30,098.24 : x
  2. Step 2: Convert to fraction form
    51,318.08/70,802.88 = 30,098.24/x
  3. Step 3: Cross multiply
    51,318.08x = 70,802.88 × 30,098.24
  4. Step 4: Simplify right side
    51,318.08x = 2,131,042,074.93
  5. Step 5: Solve for x
    x = 2,131,042,074.93/51,318.08
  6. Step 6: Final answer
    x = 41,526.15

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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.