Home / 45,819.09-68,728.64-22,429.13

Finding the Fourth Proportional to 45,819.09, 68,728.64 and 22,429.13

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Solution

The fourth proportional to 45,819.09, 68,728.64 and 22,429.13 is: 33,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,819.09 : 68,728.64 = 22,429.13 : x
  2. Step 2: Convert to fraction form
    45,819.09/68,728.64 = 22,429.13/x
  3. Step 3: Cross multiply
    45,819.09x = 68,728.64 × 22,429.13
  4. Step 4: Simplify right side
    45,819.09x = 1,541,523,601.28
  5. Step 5: Solve for x
    x = 1,541,523,601.28/45,819.09
  6. Step 6: Final answer
    x = 33,643.70

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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.