Home / 45,853.79-68,776.05-12,577.19

Finding the Fourth Proportional to 45,853.79, 68,776.05 and 12,577.19

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Solution

The fourth proportional to 45,853.79, 68,776.05 and 12,577.19 is: 18,864.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,853.79 : 68,776.05 = 12,577.19 : x
  2. Step 2: Convert to fraction form
    45,853.79/68,776.05 = 12,577.19/x
  3. Step 3: Cross multiply
    45,853.79x = 68,776.05 × 12,577.19
  4. Step 4: Simplify right side
    45,853.79x = 865,009,104.42
  5. Step 5: Solve for x
    x = 865,009,104.42/45,853.79
  6. Step 6: Final answer
    x = 18,864.51

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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.