Home / 37,283.28-51,461.04-21,983.20

Finding the Fourth Proportional to 37,283.28, 51,461.04 and 21,983.20

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Solution

The fourth proportional to 37,283.28, 51,461.04 and 21,983.20 is: 30,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,283.28 : 51,461.04 = 21,983.20 : x
  2. Step 2: Convert to fraction form
    37,283.28/51,461.04 = 21,983.20/x
  3. Step 3: Cross multiply
    37,283.28x = 51,461.04 × 21,983.20
  4. Step 4: Simplify right side
    37,283.28x = 1,131,278,334.53
  5. Step 5: Solve for x
    x = 1,131,278,334.53/37,283.28
  6. Step 6: Final answer
    x = 30,342.78

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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.