Home / 37,230.49-51,378.10-21,315.05

Finding the Fourth Proportional to 37,230.49, 51,378.10 and 21,315.05

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Solution

The fourth proportional to 37,230.49, 51,378.10 and 21,315.05 is: 29,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,230.49 : 51,378.10 = 21,315.05 : x
  2. Step 2: Convert to fraction form
    37,230.49/51,378.10 = 21,315.05/x
  3. Step 3: Cross multiply
    37,230.49x = 51,378.10 × 21,315.05
  4. Step 4: Simplify right side
    37,230.49x = 1,095,126,652.89
  5. Step 5: Solve for x
    x = 1,095,126,652.89/37,230.49
  6. Step 6: Final answer
    x = 29,414.78

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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.