Home / 82,815.33-124,242.81-26,660.69

Finding the Fourth Proportional to 82,815.33, 124,242.81 and 26,660.69

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Solution

The fourth proportional to 82,815.33, 124,242.81 and 26,660.69 is: 39,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,815.33 : 124,242.81 = 26,660.69 : x
  2. Step 2: Convert to fraction form
    82,815.33/124,242.81 = 26,660.69/x
  3. Step 3: Cross multiply
    82,815.33x = 124,242.81 × 26,660.69
  4. Step 4: Simplify right side
    82,815.33x = 3,312,398,287.62
  5. Step 5: Solve for x
    x = 3,312,398,287.62/82,815.33
  6. Step 6: Final answer
    x = 39,997.40

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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.