Home / 37,028.80-51,101.10-21,113.08

Finding the Fourth Proportional to 37,028.80, 51,101.10 and 21,113.08

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Solution

The fourth proportional to 37,028.80, 51,101.10 and 21,113.08 is: 29,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,028.80 : 51,101.10 = 21,113.08 : x
  2. Step 2: Convert to fraction form
    37,028.80/51,101.10 = 21,113.08/x
  3. Step 3: Cross multiply
    37,028.80x = 51,101.10 × 21,113.08
  4. Step 4: Simplify right side
    37,028.80x = 1,078,901,612.39
  5. Step 5: Solve for x
    x = 1,078,901,612.39/37,028.80
  6. Step 6: Final answer
    x = 29,136.82

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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.