Home / 34,378.43-51,570.34-14,657.13

Finding the Fourth Proportional to 34,378.43, 51,570.34 and 14,657.13

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Solution

The fourth proportional to 34,378.43, 51,570.34 and 14,657.13 is: 21,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,378.43 : 51,570.34 = 14,657.13 : x
  2. Step 2: Convert to fraction form
    34,378.43/51,570.34 = 14,657.13/x
  3. Step 3: Cross multiply
    34,378.43x = 51,570.34 × 14,657.13
  4. Step 4: Simplify right side
    34,378.43x = 755,873,140.88
  5. Step 5: Solve for x
    x = 755,873,140.88/34,378.43
  6. Step 6: Final answer
    x = 21,986.85

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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.