Home / 20,822.55-31,235.45-6,031.68

Finding the Fourth Proportional to 20,822.55, 31,235.45 and 6,031.68

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Solution

The fourth proportional to 20,822.55, 31,235.45 and 6,031.68 is: 9,047.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,822.55 : 31,235.45 = 6,031.68 : x
  2. Step 2: Convert to fraction form
    20,822.55/31,235.45 = 6,031.68/x
  3. Step 3: Cross multiply
    20,822.55x = 31,235.45 × 6,031.68
  4. Step 4: Simplify right side
    20,822.55x = 188,402,208.90
  5. Step 5: Solve for x
    x = 188,402,208.90/20,822.55
  6. Step 6: Final answer
    x = 9,047.99

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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.