Home / 37,122.48-51,230.04-21,209.52

Finding the Fourth Proportional to 37,122.48, 51,230.04 and 21,209.52

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Solution

The fourth proportional to 37,122.48, 51,230.04 and 21,209.52 is: 29,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,122.48 : 51,230.04 = 21,209.52 : x
  2. Step 2: Convert to fraction form
    37,122.48/51,230.04 = 21,209.52/x
  3. Step 3: Cross multiply
    37,122.48x = 51,230.04 × 21,209.52
  4. Step 4: Simplify right side
    37,122.48x = 1,086,564,557.98
  5. Step 5: Solve for x
    x = 1,086,564,557.98/37,122.48
  6. Step 6: Final answer
    x = 29,269.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.