Home / 37,305.77-51,486.44-21,390.21

Finding the Fourth Proportional to 37,305.77, 51,486.44 and 21,390.21

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Solution

The fourth proportional to 37,305.77, 51,486.44 and 21,390.21 is: 29,521.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,305.77 : 51,486.44 = 21,390.21 : x
  2. Step 2: Convert to fraction form
    37,305.77/51,486.44 = 21,390.21/x
  3. Step 3: Cross multiply
    37,305.77x = 51,486.44 × 21,390.21
  4. Step 4: Simplify right side
    37,305.77x = 1,101,305,656.80
  5. Step 5: Solve for x
    x = 1,101,305,656.80/37,305.77
  6. Step 6: Final answer
    x = 29,521.06

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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.