Home / 29,212.20-43,752.61-20,486.07

Finding the Fourth Proportional to 29,212.20, 43,752.61 and 20,486.07

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Solution

The fourth proportional to 29,212.20, 43,752.61 and 20,486.07 is: 30,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212.20 : 43,752.61 = 20,486.07 : x
  2. Step 2: Convert to fraction form
    29,212.20/43,752.61 = 20,486.07/x
  3. Step 3: Cross multiply
    29,212.20x = 43,752.61 × 20,486.07
  4. Step 4: Simplify right side
    29,212.20x = 896,319,031.14
  5. Step 5: Solve for x
    x = 896,319,031.14/29,212.20
  6. Step 6: Final answer
    x = 30,683.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.