Home / 51,238.14-70,708.46-28,577.16

Finding the Fourth Proportional to 51,238.14, 70,708.46 and 28,577.16

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Solution

The fourth proportional to 51,238.14, 70,708.46 and 28,577.16 is: 39,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,238.14 : 70,708.46 = 28,577.16 : x
  2. Step 2: Convert to fraction form
    51,238.14/70,708.46 = 28,577.16/x
  3. Step 3: Cross multiply
    51,238.14x = 70,708.46 × 28,577.16
  4. Step 4: Simplify right side
    51,238.14x = 2,020,646,974.77
  5. Step 5: Solve for x
    x = 2,020,646,974.77/51,238.14
  6. Step 6: Final answer
    x = 39,436.38

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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.