Home / 45,641.67-68,468.28-15,661.76

Finding the Fourth Proportional to 45,641.67, 68,468.28 and 15,661.76

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Solution

The fourth proportional to 45,641.67, 68,468.28 and 15,661.76 is: 23,494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,641.67 : 68,468.28 = 15,661.76 : x
  2. Step 2: Convert to fraction form
    45,641.67/68,468.28 = 15,661.76/x
  3. Step 3: Cross multiply
    45,641.67x = 68,468.28 × 15,661.76
  4. Step 4: Simplify right side
    45,641.67x = 1,072,333,426.63
  5. Step 5: Solve for x
    x = 1,072,333,426.63/45,641.67
  6. Step 6: Final answer
    x = 23,494.61

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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.