Home / 82,040.40-123,060.60-26,636.40

Finding the Fourth Proportional to 82,040.40, 123,060.60 and 26,636.40

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Solution

The fourth proportional to 82,040.40, 123,060.60 and 26,636.40 is: 39,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,040.40 : 123,060.60 = 26,636.40 : x
  2. Step 2: Convert to fraction form
    82,040.40/123,060.60 = 26,636.40/x
  3. Step 3: Cross multiply
    82,040.40x = 123,060.60 × 26,636.40
  4. Step 4: Simplify right side
    82,040.40x = 3,277,891,365.84
  5. Step 5: Solve for x
    x = 3,277,891,365.84/82,040.40
  6. Step 6: Final answer
    x = 39,954.60

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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.