Home / 20,708.93-31,058.18-5,917.92

Finding the Fourth Proportional to 20,708.93, 31,058.18 and 5,917.92

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Solution

The fourth proportional to 20,708.93, 31,058.18 and 5,917.92 is: 8,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708.93 : 31,058.18 = 5,917.92 : x
  2. Step 2: Convert to fraction form
    20,708.93/31,058.18 = 5,917.92/x
  3. Step 3: Cross multiply
    20,708.93x = 31,058.18 × 5,917.92
  4. Step 4: Simplify right side
    20,708.93x = 183,799,795.00
  5. Step 5: Solve for x
    x = 183,799,795.00/20,708.93
  6. Step 6: Final answer
    x = 8,875.39

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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.