Home / 55,529.74-82,858.46-52,140.56

Finding the Fourth Proportional to 55,529.74, 82,858.46 and 52,140.56

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Solution

The fourth proportional to 55,529.74, 82,858.46 and 52,140.56 is: 77,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,529.74 : 82,858.46 = 52,140.56 : x
  2. Step 2: Convert to fraction form
    55,529.74/82,858.46 = 52,140.56/x
  3. Step 3: Cross multiply
    55,529.74x = 82,858.46 × 52,140.56
  4. Step 4: Simplify right side
    55,529.74x = 4,320,286,505.14
  5. Step 5: Solve for x
    x = 4,320,286,505.14/55,529.74
  6. Step 6: Final answer
    x = 77,801.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.