Home / 38,087.64-57,147.60-20,536.98

Finding the Fourth Proportional to 38,087.64, 57,147.60 and 20,536.98

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Solution

The fourth proportional to 38,087.64, 57,147.60 and 20,536.98 is: 30,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,087.64 : 57,147.60 = 20,536.98 : x
  2. Step 2: Convert to fraction form
    38,087.64/57,147.60 = 20,536.98/x
  3. Step 3: Cross multiply
    38,087.64x = 57,147.60 × 20,536.98
  4. Step 4: Simplify right side
    38,087.64x = 1,173,639,118.25
  5. Step 5: Solve for x
    x = 1,173,639,118.25/38,087.64
  6. Step 6: Final answer
    x = 30,814.17

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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.