Home / 39,547.38-59,321.81-18,481.64

Finding the Fourth Proportional to 39,547.38, 59,321.81 and 18,481.64

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Solution

The fourth proportional to 39,547.38, 59,321.81 and 18,481.64 is: 27,722.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,547.38 : 59,321.81 = 18,481.64 : x
  2. Step 2: Convert to fraction form
    39,547.38/59,321.81 = 18,481.64/x
  3. Step 3: Cross multiply
    39,547.38x = 59,321.81 × 18,481.64
  4. Step 4: Simplify right side
    39,547.38x = 1,096,364,336.57
  5. Step 5: Solve for x
    x = 1,096,364,336.57/39,547.38
  6. Step 6: Final answer
    x = 27,722.81

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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.