Home / 34,308.87-51,423.81-13,239.59

Finding the Fourth Proportional to 34,308.87, 51,423.81 and 13,239.59

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Solution

The fourth proportional to 34,308.87, 51,423.81 and 13,239.59 is: 19,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,308.87 : 51,423.81 = 13,239.59 : x
  2. Step 2: Convert to fraction form
    34,308.87/51,423.81 = 13,239.59/x
  3. Step 3: Cross multiply
    34,308.87x = 51,423.81 × 13,239.59
  4. Step 4: Simplify right side
    34,308.87x = 680,830,160.64
  5. Step 5: Solve for x
    x = 680,830,160.64/34,308.87
  6. Step 6: Final answer
    x = 19,844.15

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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.