Home / 34,036.20-51,054.30-13,259.70

Finding the Fourth Proportional to 34,036.20, 51,054.30 and 13,259.70

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Solution

The fourth proportional to 34,036.20, 51,054.30 and 13,259.70 is: 19,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,036.20 : 51,054.30 = 13,259.70 : x
  2. Step 2: Convert to fraction form
    34,036.20/51,054.30 = 13,259.70/x
  3. Step 3: Cross multiply
    34,036.20x = 51,054.30 × 13,259.70
  4. Step 4: Simplify right side
    34,036.20x = 676,964,701.71
  5. Step 5: Solve for x
    x = 676,964,701.71/34,036.20
  6. Step 6: Final answer
    x = 19,889.55

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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.