Home / 51,928.76-71,662.01-28,960.04

Finding the Fourth Proportional to 51,928.76, 71,662.01 and 28,960.04

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Solution

The fourth proportional to 51,928.76, 71,662.01 and 28,960.04 is: 39,965.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.76 : 71,662.01 = 28,960.04 : x
  2. Step 2: Convert to fraction form
    51,928.76/71,662.01 = 28,960.04/x
  3. Step 3: Cross multiply
    51,928.76x = 71,662.01 × 28,960.04
  4. Step 4: Simplify right side
    51,928.76x = 2,075,334,172.97
  5. Step 5: Solve for x
    x = 2,075,334,172.97/51,928.76
  6. Step 6: Final answer
    x = 39,965.02

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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.