Home / 37,135.49-51,246.07-21,218.91

Finding the Fourth Proportional to 37,135.49, 51,246.07 and 21,218.91

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Solution

The fourth proportional to 37,135.49, 51,246.07 and 21,218.91 is: 29,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,135.49 : 51,246.07 = 21,218.91 : x
  2. Step 2: Convert to fraction form
    37,135.49/51,246.07 = 21,218.91/x
  3. Step 3: Cross multiply
    37,135.49x = 51,246.07 × 21,218.91
  4. Step 4: Simplify right side
    37,135.49x = 1,087,385,747.18
  5. Step 5: Solve for x
    x = 1,087,385,747.18/37,135.49
  6. Step 6: Final answer
    x = 29,281.58

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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.