Home / 51,334.53-70,840.18-28,672.85

Finding the Fourth Proportional to 51,334.53, 70,840.18 and 28,672.85

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Solution

The fourth proportional to 51,334.53, 70,840.18 and 28,672.85 is: 39,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,334.53 : 70,840.18 = 28,672.85 : x
  2. Step 2: Convert to fraction form
    51,334.53/70,840.18 = 28,672.85/x
  3. Step 3: Cross multiply
    51,334.53x = 70,840.18 × 28,672.85
  4. Step 4: Simplify right side
    51,334.53x = 2,031,190,068.05
  5. Step 5: Solve for x
    x = 2,031,190,068.05/51,334.53
  6. Step 6: Final answer
    x = 39,567.72

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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.