Home / 55,053.20-82,612.20-19,996.40

Finding the Fourth Proportional to 55,053.20, 82,612.20 and 19,996.40

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Solution

The fourth proportional to 55,053.20, 82,612.20 and 19,996.40 is: 30,006.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053.20 : 82,612.20 = 19,996.40 : x
  2. Step 2: Convert to fraction form
    55,053.20/82,612.20 = 19,996.40/x
  3. Step 3: Cross multiply
    55,053.20x = 82,612.20 × 19,996.40
  4. Step 4: Simplify right side
    55,053.20x = 1,651,946,596.08
  5. Step 5: Solve for x
    x = 1,651,946,596.08/55,053.20
  6. Step 6: Final answer
    x = 30,006.37

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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.