Home / 30,098.72-45,132.89-17,622.69

Finding the Fourth Proportional to 30,098.72, 45,132.89 and 17,622.69

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Solution

The fourth proportional to 30,098.72, 45,132.89 and 17,622.69 is: 26,425.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,098.72 : 45,132.89 = 17,622.69 : x
  2. Step 2: Convert to fraction form
    30,098.72/45,132.89 = 17,622.69/x
  3. Step 3: Cross multiply
    30,098.72x = 45,132.89 × 17,622.69
  4. Step 4: Simplify right side
    30,098.72x = 795,362,841.16
  5. Step 5: Solve for x
    x = 795,362,841.16/30,098.72
  6. Step 6: Final answer
    x = 26,425.14

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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.