Home / 51,921.87-71,652.12-28,048.53

Finding the Fourth Proportional to 51,921.87, 71,652.12 and 28,048.53

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Solution

The fourth proportional to 51,921.87, 71,652.12 and 28,048.53 is: 38,706.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,921.87 : 71,652.12 = 28,048.53 : x
  2. Step 2: Convert to fraction form
    51,921.87/71,652.12 = 28,048.53/x
  3. Step 3: Cross multiply
    51,921.87x = 71,652.12 × 28,048.53
  4. Step 4: Simplify right side
    51,921.87x = 2,009,736,637.38
  5. Step 5: Solve for x
    x = 2,009,736,637.38/51,921.87
  6. Step 6: Final answer
    x = 38,706.94

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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.