Home / 51,350.53-70,862.93-28,689.84

Finding the Fourth Proportional to 51,350.53, 70,862.93 and 28,689.84

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Solution

The fourth proportional to 51,350.53, 70,862.93 and 28,689.84 is: 39,591.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,350.53 : 70,862.93 = 28,689.84 : x
  2. Step 2: Convert to fraction form
    51,350.53/70,862.93 = 28,689.84/x
  3. Step 3: Cross multiply
    51,350.53x = 70,862.93 × 28,689.84
  4. Step 4: Simplify right side
    51,350.53x = 2,033,046,123.63
  5. Step 5: Solve for x
    x = 2,033,046,123.63/51,350.53
  6. Step 6: Final answer
    x = 39,591.53

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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.