Home / 51,356.56-70,864.94-28,692.70

Finding the Fourth Proportional to 51,356.56, 70,864.94 and 28,692.70

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Solution

The fourth proportional to 51,356.56, 70,864.94 and 28,692.70 is: 39,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,356.56 : 70,864.94 = 28,692.70 : x
  2. Step 2: Convert to fraction form
    51,356.56/70,864.94 = 28,692.70/x
  3. Step 3: Cross multiply
    51,356.56x = 70,864.94 × 28,692.70
  4. Step 4: Simplify right side
    51,356.56x = 2,033,306,463.94
  5. Step 5: Solve for x
    x = 2,033,306,463.94/51,356.56
  6. Step 6: Final answer
    x = 39,591.95

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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.