Home / 55,228.37-82,842.51-15,785.49

Finding the Fourth Proportional to 55,228.37, 82,842.51 and 15,785.49

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Solution

The fourth proportional to 55,228.37, 82,842.51 and 15,785.49 is: 23,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,228.37 : 82,842.51 = 15,785.49 : x
  2. Step 2: Convert to fraction form
    55,228.37/82,842.51 = 15,785.49/x
  3. Step 3: Cross multiply
    55,228.37x = 82,842.51 × 15,785.49
  4. Step 4: Simplify right side
    55,228.37x = 1,307,709,613.18
  5. Step 5: Solve for x
    x = 1,307,709,613.18/55,228.37
  6. Step 6: Final answer
    x = 23,678.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.