Home / 37,139.30-51,252.45-21,224.33

Finding the Fourth Proportional to 37,139.30, 51,252.45 and 21,224.33

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Solution

The fourth proportional to 37,139.30, 51,252.45 and 21,224.33 is: 29,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,139.30 : 51,252.45 = 21,224.33 : x
  2. Step 2: Convert to fraction form
    37,139.30/51,252.45 = 21,224.33/x
  3. Step 3: Cross multiply
    37,139.30x = 51,252.45 × 21,224.33
  4. Step 4: Simplify right side
    37,139.30x = 1,087,798,912.11
  5. Step 5: Solve for x
    x = 1,087,798,912.11/37,139.30
  6. Step 6: Final answer
    x = 29,289.70

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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.