Home / 39,832.46-54,970.35-21,929.13

Finding the Fourth Proportional to 39,832.46, 54,970.35 and 21,929.13

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Solution

The fourth proportional to 39,832.46, 54,970.35 and 21,929.13 is: 30,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.46 : 54,970.35 = 21,929.13 : x
  2. Step 2: Convert to fraction form
    39,832.46/54,970.35 = 21,929.13/x
  3. Step 3: Cross multiply
    39,832.46x = 54,970.35 × 21,929.13
  4. Step 4: Simplify right side
    39,832.46x = 1,205,451,676.44
  5. Step 5: Solve for x
    x = 1,205,451,676.44/39,832.46
  6. Step 6: Final answer
    x = 30,263.05

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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.