Home / 37,404.40-51,622.62-21,488.80

Finding the Fourth Proportional to 37,404.40, 51,622.62 and 21,488.80

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Solution

The fourth proportional to 37,404.40, 51,622.62 and 21,488.80 is: 29,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,404.40 : 51,622.62 = 21,488.80 : x
  2. Step 2: Convert to fraction form
    37,404.40/51,622.62 = 21,488.80/x
  3. Step 3: Cross multiply
    37,404.40x = 51,622.62 × 21,488.80
  4. Step 4: Simplify right side
    37,404.40x = 1,109,308,156.66
  5. Step 5: Solve for x
    x = 1,109,308,156.66/37,404.40
  6. Step 6: Final answer
    x = 29,657.16

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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.