Home / 34,387.70-51,570.74-13,326.28

Finding the Fourth Proportional to 34,387.70, 51,570.74 and 13,326.28

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Solution

The fourth proportional to 34,387.70, 51,570.74 and 13,326.28 is: 19,985.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,387.70 : 51,570.74 = 13,326.28 : x
  2. Step 2: Convert to fraction form
    34,387.70/51,570.74 = 13,326.28/x
  3. Step 3: Cross multiply
    34,387.70x = 51,570.74 × 13,326.28
  4. Step 4: Simplify right side
    34,387.70x = 687,246,025.44
  5. Step 5: Solve for x
    x = 687,246,025.44/34,387.70
  6. Step 6: Final answer
    x = 19,985.23

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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.