Home / 39,811.74-59,726.83-13,516.48

Finding the Fourth Proportional to 39,811.74, 59,726.83 and 13,516.48

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Solution

The fourth proportional to 39,811.74, 59,726.83 and 13,516.48 is: 20,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.74 : 59,726.83 = 13,516.48 : x
  2. Step 2: Convert to fraction form
    39,811.74/59,726.83 = 13,516.48/x
  3. Step 3: Cross multiply
    39,811.74x = 59,726.83 × 13,516.48
  4. Step 4: Simplify right side
    39,811.74x = 807,296,503.16
  5. Step 5: Solve for x
    x = 807,296,503.16/39,811.74
  6. Step 6: Final answer
    x = 20,277.85

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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.