Home / 37,138.30-51,247.63-21,823.22

Finding the Fourth Proportional to 37,138.30, 51,247.63 and 21,823.22

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Solution

The fourth proportional to 37,138.30, 51,247.63 and 21,823.22 is: 30,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,138.30 : 51,247.63 = 21,823.22 : x
  2. Step 2: Convert to fraction form
    37,138.30/51,247.63 = 21,823.22/x
  3. Step 3: Cross multiply
    37,138.30x = 51,247.63 × 21,823.22
  4. Step 4: Simplify right side
    37,138.30x = 1,118,388,303.97
  5. Step 5: Solve for x
    x = 1,118,388,303.97/37,138.30
  6. Step 6: Final answer
    x = 30,114.15

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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.