Home / 37,269.92-51,432.20-21,140.30

Finding the Fourth Proportional to 37,269.92, 51,432.20 and 21,140.30

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Solution

The fourth proportional to 37,269.92, 51,432.20 and 21,140.30 is: 29,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,269.92 : 51,432.20 = 21,140.30 : x
  2. Step 2: Convert to fraction form
    37,269.92/51,432.20 = 21,140.30/x
  3. Step 3: Cross multiply
    37,269.92x = 51,432.20 × 21,140.30
  4. Step 4: Simplify right side
    37,269.92x = 1,087,292,137.66
  5. Step 5: Solve for x
    x = 1,087,292,137.66/37,269.92
  6. Step 6: Final answer
    x = 29,173.45

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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.