Home / 37,301.58-51,483.60-21,396.78

Finding the Fourth Proportional to 37,301.58, 51,483.60 and 21,396.78

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Solution

The fourth proportional to 37,301.58, 51,483.60 and 21,396.78 is: 29,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,301.58 : 51,483.60 = 21,396.78 : x
  2. Step 2: Convert to fraction form
    37,301.58/51,483.60 = 21,396.78/x
  3. Step 3: Cross multiply
    37,301.58x = 51,483.60 × 21,396.78
  4. Step 4: Simplify right side
    37,301.58x = 1,101,583,262.81
  5. Step 5: Solve for x
    x = 1,101,583,262.81/37,301.58
  6. Step 6: Final answer
    x = 29,531.81

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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.