Home / 37,133.23-51,239.13-21,218.71

Finding the Fourth Proportional to 37,133.23, 51,239.13 and 21,218.71

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Solution

The fourth proportional to 37,133.23, 51,239.13 and 21,218.71 is: 29,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,133.23 : 51,239.13 = 21,218.71 : x
  2. Step 2: Convert to fraction form
    37,133.23/51,239.13 = 21,218.71/x
  3. Step 3: Cross multiply
    37,133.23x = 51,239.13 × 21,218.71
  4. Step 4: Simplify right side
    37,133.23x = 1,087,228,240.12
  5. Step 5: Solve for x
    x = 1,087,228,240.12/37,133.23
  6. Step 6: Final answer
    x = 29,279.12

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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.