Home / 45,382.86-68,088.16-23,211.80

Finding the Fourth Proportional to 45,382.86, 68,088.16 and 23,211.80

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Solution

The fourth proportional to 45,382.86, 68,088.16 and 23,211.80 is: 34,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,382.86 : 68,088.16 = 23,211.80 : x
  2. Step 2: Convert to fraction form
    45,382.86/68,088.16 = 23,211.80/x
  3. Step 3: Cross multiply
    45,382.86x = 68,088.16 × 23,211.80
  4. Step 4: Simplify right side
    45,382.86x = 1,580,448,752.29
  5. Step 5: Solve for x
    x = 1,580,448,752.29/45,382.86
  6. Step 6: Final answer
    x = 34,824.79

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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.