Home / 51,334.22-70,838.31-28,674.62

Finding the Fourth Proportional to 51,334.22, 70,838.31 and 28,674.62

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Solution

The fourth proportional to 51,334.22, 70,838.31 and 28,674.62 is: 39,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,334.22 : 70,838.31 = 28,674.62 : x
  2. Step 2: Convert to fraction form
    51,334.22/70,838.31 = 28,674.62/x
  3. Step 3: Cross multiply
    51,334.22x = 70,838.31 × 28,674.62
  4. Step 4: Simplify right side
    51,334.22x = 2,031,261,620.69
  5. Step 5: Solve for x
    x = 2,031,261,620.69/51,334.22
  6. Step 6: Final answer
    x = 39,569.35

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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.