Home / 55,200.40-82,759.38-17,739.10

Finding the Fourth Proportional to 55,200.40, 82,759.38 and 17,739.10

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Solution

The fourth proportional to 55,200.40, 82,759.38 and 17,739.10 is: 26,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,200.40 : 82,759.38 = 17,739.10 : x
  2. Step 2: Convert to fraction form
    55,200.40/82,759.38 = 17,739.10/x
  3. Step 3: Cross multiply
    55,200.40x = 82,759.38 × 17,739.10
  4. Step 4: Simplify right side
    55,200.40x = 1,468,076,917.76
  5. Step 5: Solve for x
    x = 1,468,076,917.76/55,200.40
  6. Step 6: Final answer
    x = 26,595.40

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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.