Home / 37,999.82-52,439.45-21,005.21

Finding the Fourth Proportional to 37,999.82, 52,439.45 and 21,005.21

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Solution

The fourth proportional to 37,999.82, 52,439.45 and 21,005.21 is: 28,987.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,999.82 : 52,439.45 = 21,005.21 : x
  2. Step 2: Convert to fraction form
    37,999.82/52,439.45 = 21,005.21/x
  3. Step 3: Cross multiply
    37,999.82x = 52,439.45 × 21,005.21
  4. Step 4: Simplify right side
    37,999.82x = 1,101,501,292.31
  5. Step 5: Solve for x
    x = 1,101,501,292.31/37,999.82
  6. Step 6: Final answer
    x = 28,987.02

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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.