Home / 30,002.43-41,401.64-17,916.55

Finding the Fourth Proportional to 30,002.43, 41,401.64 and 17,916.55

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Solution

The fourth proportional to 30,002.43, 41,401.64 and 17,916.55 is: 24,723.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,002.43 : 41,401.64 = 17,916.55 : x
  2. Step 2: Convert to fraction form
    30,002.43/41,401.64 = 17,916.55/x
  3. Step 3: Cross multiply
    30,002.43x = 41,401.64 × 17,916.55
  4. Step 4: Simplify right side
    30,002.43x = 741,774,676.92
  5. Step 5: Solve for x
    x = 741,774,676.92/30,002.43
  6. Step 6: Final answer
    x = 24,723.82

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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.