Home / 55,298.40-82,947.60-15,854.64

Finding the Fourth Proportional to 55,298.40, 82,947.60 and 15,854.64

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Solution

The fourth proportional to 55,298.40, 82,947.60 and 15,854.64 is: 23,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,298.40 : 82,947.60 = 15,854.64 : x
  2. Step 2: Convert to fraction form
    55,298.40/82,947.60 = 15,854.64/x
  3. Step 3: Cross multiply
    55,298.40x = 82,947.60 × 15,854.64
  4. Step 4: Simplify right side
    55,298.40x = 1,315,104,336.86
  5. Step 5: Solve for x
    x = 1,315,104,336.86/55,298.40
  6. Step 6: Final answer
    x = 23,781.96

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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.