Home / 45,889.74-68,823.27-12,608.19

Finding the Fourth Proportional to 45,889.74, 68,823.27 and 12,608.19

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Solution

The fourth proportional to 45,889.74, 68,823.27 and 12,608.19 is: 18,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,889.74 : 68,823.27 = 12,608.19 : x
  2. Step 2: Convert to fraction form
    45,889.74/68,823.27 = 12,608.19/x
  3. Step 3: Cross multiply
    45,889.74x = 68,823.27 × 12,608.19
  4. Step 4: Simplify right side
    45,889.74x = 867,736,864.58
  5. Step 5: Solve for x
    x = 867,736,864.58/45,889.74
  6. Step 6: Final answer
    x = 18,909.17

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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.