Home / 38,089.64-57,112.58-20,298.39

Finding the Fourth Proportional to 38,089.64, 57,112.58 and 20,298.39

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Solution

The fourth proportional to 38,089.64, 57,112.58 and 20,298.39 is: 30,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,089.64 : 57,112.58 = 20,298.39 : x
  2. Step 2: Convert to fraction form
    38,089.64/57,112.58 = 20,298.39/x
  3. Step 3: Cross multiply
    38,089.64x = 57,112.58 × 20,298.39
  4. Step 4: Simplify right side
    38,089.64x = 1,159,293,422.75
  5. Step 5: Solve for x
    x = 1,159,293,422.75/38,089.64
  6. Step 6: Final answer
    x = 30,435.93

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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.