Home / 55,364.72-82,997.70-20,296.20

Finding the Fourth Proportional to 55,364.72, 82,997.70 and 20,296.20

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Solution

The fourth proportional to 55,364.72, 82,997.70 and 20,296.20 is: 30,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,364.72 : 82,997.70 = 20,296.20 : x
  2. Step 2: Convert to fraction form
    55,364.72/82,997.70 = 20,296.20/x
  3. Step 3: Cross multiply
    55,364.72x = 82,997.70 × 20,296.20
  4. Step 4: Simplify right side
    55,364.72x = 1,684,537,918.74
  5. Step 5: Solve for x
    x = 1,684,537,918.74/55,364.72
  6. Step 6: Final answer
    x = 30,426.20

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1.5x scale

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.