Home / 37,422.22-56,161.88-13,752.20

Finding the Fourth Proportional to 37,422.22, 56,161.88 and 13,752.20

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Solution

The fourth proportional to 37,422.22, 56,161.88 and 13,752.20 is: 20,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,422.22 : 56,161.88 = 13,752.20 : x
  2. Step 2: Convert to fraction form
    37,422.22/56,161.88 = 13,752.20/x
  3. Step 3: Cross multiply
    37,422.22x = 56,161.88 × 13,752.20
  4. Step 4: Simplify right side
    37,422.22x = 772,349,406.14
  5. Step 5: Solve for x
    x = 772,349,406.14/37,422.22
  6. Step 6: Final answer
    x = 20,638.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.