Home / 39,908.28-55,077.30-29,819.22

Finding the Fourth Proportional to 39,908.28, 55,077.30 and 29,819.22

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Solution

The fourth proportional to 39,908.28, 55,077.30 and 29,819.22 is: 41,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.28 : 55,077.30 = 29,819.22 : x
  2. Step 2: Convert to fraction form
    39,908.28/55,077.30 = 29,819.22/x
  3. Step 3: Cross multiply
    39,908.28x = 55,077.30 × 29,819.22
  4. Step 4: Simplify right side
    39,908.28x = 1,642,362,125.71
  5. Step 5: Solve for x
    x = 1,642,362,125.71/39,908.28
  6. Step 6: Final answer
    x = 41,153.42

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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.