Home / 29,143.90-43,748.70-19,302.40

Finding the Fourth Proportional to 29,143.90, 43,748.70 and 19,302.40

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Solution

The fourth proportional to 29,143.90, 43,748.70 and 19,302.40 is: 28,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,143.90 : 43,748.70 = 19,302.40 : x
  2. Step 2: Convert to fraction form
    29,143.90/43,748.70 = 19,302.40/x
  3. Step 3: Cross multiply
    29,143.90x = 43,748.70 × 19,302.40
  4. Step 4: Simplify right side
    29,143.90x = 844,454,906.88
  5. Step 5: Solve for x
    x = 844,454,906.88/29,143.90
  6. Step 6: Final answer
    x = 28,975.36

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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.