Home / 39,368.70-59,087.17-20,661.95

Finding the Fourth Proportional to 39,368.70, 59,087.17 and 20,661.95

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Solution

The fourth proportional to 39,368.70, 59,087.17 and 20,661.95 is: 31,010.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,368.70 : 59,087.17 = 20,661.95 : x
  2. Step 2: Convert to fraction form
    39,368.70/59,087.17 = 20,661.95/x
  3. Step 3: Cross multiply
    39,368.70x = 59,087.17 × 20,661.95
  4. Step 4: Simplify right side
    39,368.70x = 1,220,855,987.93
  5. Step 5: Solve for x
    x = 1,220,855,987.93/39,368.70
  6. Step 6: Final answer
    x = 31,010.83

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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.