Home / 55,221.90-82,862.58-21,942.27

Finding the Fourth Proportional to 55,221.90, 82,862.58 and 21,942.27

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Solution

The fourth proportional to 55,221.90, 82,862.58 and 21,942.27 is: 32,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,221.90 : 82,862.58 = 21,942.27 : x
  2. Step 2: Convert to fraction form
    55,221.90/82,862.58 = 21,942.27/x
  3. Step 3: Cross multiply
    55,221.90x = 82,862.58 × 21,942.27
  4. Step 4: Simplify right side
    55,221.90x = 1,818,192,792.52
  5. Step 5: Solve for x
    x = 1,818,192,792.52/55,221.90
  6. Step 6: Final answer
    x = 32,925.21

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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.