Home / 37,200.48-51,338.28-21,289.92

Finding the Fourth Proportional to 37,200.48, 51,338.28 and 21,289.92

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Solution

The fourth proportional to 37,200.48, 51,338.28 and 21,289.92 is: 29,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,200.48 : 51,338.28 = 21,289.92 : x
  2. Step 2: Convert to fraction form
    37,200.48/51,338.28 = 21,289.92/x
  3. Step 3: Cross multiply
    37,200.48x = 51,338.28 × 21,289.92
  4. Step 4: Simplify right side
    37,200.48x = 1,092,987,874.14
  5. Step 5: Solve for x
    x = 1,092,987,874.14/37,200.48
  6. Step 6: Final answer
    x = 29,381.02

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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.