Home / 38,949.03-58,405.05-20,210.31

Finding the Fourth Proportional to 38,949.03, 58,405.05 and 20,210.31

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Solution

The fourth proportional to 38,949.03, 58,405.05 and 20,210.31 is: 30,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,949.03 : 58,405.05 = 20,210.31 : x
  2. Step 2: Convert to fraction form
    38,949.03/58,405.05 = 20,210.31/x
  3. Step 3: Cross multiply
    38,949.03x = 58,405.05 × 20,210.31
  4. Step 4: Simplify right side
    38,949.03x = 1,180,384,166.07
  5. Step 5: Solve for x
    x = 1,180,384,166.07/38,949.03
  6. Step 6: Final answer
    x = 30,305.87

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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.