Home / 51,063.43-70,465.84-28,401.78

Finding the Fourth Proportional to 51,063.43, 70,465.84 and 28,401.78

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Solution

The fourth proportional to 51,063.43, 70,465.84 and 28,401.78 is: 39,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,063.43 : 70,465.84 = 28,401.78 : x
  2. Step 2: Convert to fraction form
    51,063.43/70,465.84 = 28,401.78/x
  3. Step 3: Cross multiply
    51,063.43x = 70,465.84 × 28,401.78
  4. Step 4: Simplify right side
    51,063.43x = 2,001,355,285.20
  5. Step 5: Solve for x
    x = 2,001,355,285.20/51,063.43
  6. Step 6: Final answer
    x = 39,193.51

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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.