Home / 37,321.70-51,503.07-21,405.14

Finding the Fourth Proportional to 37,321.70, 51,503.07 and 21,405.14

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Solution

The fourth proportional to 37,321.70, 51,503.07 and 21,405.14 is: 29,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,321.70 : 51,503.07 = 21,405.14 : x
  2. Step 2: Convert to fraction form
    37,321.70/51,503.07 = 21,405.14/x
  3. Step 3: Cross multiply
    37,321.70x = 51,503.07 × 21,405.14
  4. Step 4: Simplify right side
    37,321.70x = 1,102,430,423.78
  5. Step 5: Solve for x
    x = 1,102,430,423.78/37,321.70
  6. Step 6: Final answer
    x = 29,538.59

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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.