Home / 37,114.88-51,219.20-20,347.68

Finding the Fourth Proportional to 37,114.88, 51,219.20 and 20,347.68

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Solution

The fourth proportional to 37,114.88, 51,219.20 and 20,347.68 is: 28,080.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,114.88 : 51,219.20 = 20,347.68 : x
  2. Step 2: Convert to fraction form
    37,114.88/51,219.20 = 20,347.68/x
  3. Step 3: Cross multiply
    37,114.88x = 51,219.20 × 20,347.68
  4. Step 4: Simplify right side
    37,114.88x = 1,042,191,891.46
  5. Step 5: Solve for x
    x = 1,042,191,891.46/37,114.88
  6. Step 6: Final answer
    x = 28,080.16

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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.