Home / 38,005.92-52,448.24-21,238.92

Finding the Fourth Proportional to 38,005.92, 52,448.24 and 21,238.92

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Solution

The fourth proportional to 38,005.92, 52,448.24 and 21,238.92 is: 29,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.92 : 52,448.24 = 21,238.92 : x
  2. Step 2: Convert to fraction form
    38,005.92/52,448.24 = 21,238.92/x
  3. Step 3: Cross multiply
    38,005.92x = 52,448.24 × 21,238.92
  4. Step 4: Simplify right side
    38,005.92x = 1,113,943,973.50
  5. Step 5: Solve for x
    x = 1,113,943,973.50/38,005.92
  6. Step 6: Final answer
    x = 29,309.75

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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.