Home / 55,925.24-83,909.72-20,867.63

Finding the Fourth Proportional to 55,925.24, 83,909.72 and 20,867.63

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Solution

The fourth proportional to 55,925.24, 83,909.72 and 20,867.63 is: 31,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,925.24 : 83,909.72 = 20,867.63 : x
  2. Step 2: Convert to fraction form
    55,925.24/83,909.72 = 20,867.63/x
  3. Step 3: Cross multiply
    55,925.24x = 83,909.72 × 20,867.63
  4. Step 4: Simplify right side
    55,925.24x = 1,750,996,622.98
  5. Step 5: Solve for x
    x = 1,750,996,622.98/55,925.24
  6. Step 6: Final answer
    x = 31,309.60

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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.