Home / 29,210.13-40,283.52-19,134.90

Finding the Fourth Proportional to 29,210.13, 40,283.52 and 19,134.90

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Solution

The fourth proportional to 29,210.13, 40,283.52 and 19,134.90 is: 26,388.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,210.13 : 40,283.52 = 19,134.90 : x
  2. Step 2: Convert to fraction form
    29,210.13/40,283.52 = 19,134.90/x
  3. Step 3: Cross multiply
    29,210.13x = 40,283.52 × 19,134.90
  4. Step 4: Simplify right side
    29,210.13x = 770,821,126.85
  5. Step 5: Solve for x
    x = 770,821,126.85/29,210.13
  6. Step 6: Final answer
    x = 26,388.83

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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.