Home / 55,206.04-82,747.47-21,917.20

Finding the Fourth Proportional to 55,206.04, 82,747.47 and 21,917.20

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Solution

The fourth proportional to 55,206.04, 82,747.47 and 21,917.20 is: 32,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,206.04 : 82,747.47 = 21,917.20 : x
  2. Step 2: Convert to fraction form
    55,206.04/82,747.47 = 21,917.20/x
  3. Step 3: Cross multiply
    55,206.04x = 82,747.47 × 21,917.20
  4. Step 4: Simplify right side
    55,206.04x = 1,813,592,849.48
  5. Step 5: Solve for x
    x = 1,813,592,849.48/55,206.04
  6. Step 6: Final answer
    x = 32,851.35

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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.