Home / 68,026.23-102,039.57-20,641.71

Finding the Fourth Proportional to 68,026.23, 102,039.57 and 20,641.71

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Solution

The fourth proportional to 68,026.23, 102,039.57 and 20,641.71 is: 30,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,026.23 : 102,039.57 = 20,641.71 : x
  2. Step 2: Convert to fraction form
    68,026.23/102,039.57 = 20,641.71/x
  3. Step 3: Cross multiply
    68,026.23x = 102,039.57 × 20,641.71
  4. Step 4: Simplify right side
    68,026.23x = 2,106,271,212.46
  5. Step 5: Solve for x
    x = 2,106,271,212.46/68,026.23
  6. Step 6: Final answer
    x = 30,962.63

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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.