Home / 45,572.14-68,357.80-14,407.40

Finding the Fourth Proportional to 45,572.14, 68,357.80 and 14,407.40

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Solution

The fourth proportional to 45,572.14, 68,357.80 and 14,407.40 is: 21,610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,572.14 : 68,357.80 = 14,407.40 : x
  2. Step 2: Convert to fraction form
    45,572.14/68,357.80 = 14,407.40/x
  3. Step 3: Cross multiply
    45,572.14x = 68,357.80 × 14,407.40
  4. Step 4: Simplify right side
    45,572.14x = 984,858,167.72
  5. Step 5: Solve for x
    x = 984,858,167.72/45,572.14
  6. Step 6: Final answer
    x = 21,610.97

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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.