Home / 39,840.66-59,768.28-13,552.92

Finding the Fourth Proportional to 39,840.66, 59,768.28 and 13,552.92

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Solution

The fourth proportional to 39,840.66, 59,768.28 and 13,552.92 is: 20,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,840.66 : 59,768.28 = 13,552.92 : x
  2. Step 2: Convert to fraction form
    39,840.66/59,768.28 = 13,552.92/x
  3. Step 3: Cross multiply
    39,840.66x = 59,768.28 × 13,552.92
  4. Step 4: Simplify right side
    39,840.66x = 810,034,717.38
  5. Step 5: Solve for x
    x = 810,034,717.38/39,840.66
  6. Step 6: Final answer
    x = 20,331.86

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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.