Home / 51,180.20-70,633.88-28,522.88

Finding the Fourth Proportional to 51,180.20, 70,633.88 and 28,522.88

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Solution

The fourth proportional to 51,180.20, 70,633.88 and 28,522.88 is: 39,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,180.20 : 70,633.88 = 28,522.88 : x
  2. Step 2: Convert to fraction form
    51,180.20/70,633.88 = 28,522.88/x
  3. Step 3: Cross multiply
    51,180.20x = 70,633.88 × 28,522.88
  4. Step 4: Simplify right side
    51,180.20x = 2,014,681,683.17
  5. Step 5: Solve for x
    x = 2,014,681,683.17/51,180.20
  6. Step 6: Final answer
    x = 39,364.47

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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.