Home / 38,341.32-52,910.61-21,345.30

Finding the Fourth Proportional to 38,341.32, 52,910.61 and 21,345.30

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Solution

The fourth proportional to 38,341.32, 52,910.61 and 21,345.30 is: 29,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,341.32 : 52,910.61 = 21,345.30 : x
  2. Step 2: Convert to fraction form
    38,341.32/52,910.61 = 21,345.30/x
  3. Step 3: Cross multiply
    38,341.32x = 52,910.61 × 21,345.30
  4. Step 4: Simplify right side
    38,341.32x = 1,129,392,843.63
  5. Step 5: Solve for x
    x = 1,129,392,843.63/38,341.32
  6. Step 6: Final answer
    x = 29,456.28

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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.