Home / 45,871.74-68,795.14-12,583.92

Finding the Fourth Proportional to 45,871.74, 68,795.14 and 12,583.92

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Solution

The fourth proportional to 45,871.74, 68,795.14 and 12,583.92 is: 18,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,871.74 : 68,795.14 = 12,583.92 : x
  2. Step 2: Convert to fraction form
    45,871.74/68,795.14 = 12,583.92/x
  3. Step 3: Cross multiply
    45,871.74x = 68,795.14 × 12,583.92
  4. Step 4: Simplify right side
    45,871.74x = 865,712,538.15
  5. Step 5: Solve for x
    x = 865,712,538.15/45,871.74
  6. Step 6: Final answer
    x = 18,872.46

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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.