Home / 20,746.80-31,110.84-5,952.36

Finding the Fourth Proportional to 20,746.80, 31,110.84 and 5,952.36

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Solution

The fourth proportional to 20,746.80, 31,110.84 and 5,952.36 is: 8,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746.80 : 31,110.84 = 5,952.36 : x
  2. Step 2: Convert to fraction form
    20,746.80/31,110.84 = 5,952.36/x
  3. Step 3: Cross multiply
    20,746.80x = 31,110.84 × 5,952.36
  4. Step 4: Simplify right side
    20,746.80x = 185,182,919.58
  5. Step 5: Solve for x
    x = 185,182,919.58/20,746.80
  6. Step 6: Final answer
    x = 8,925.85

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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.