Home / 34,159.38-51,239.66-13,100.62

Finding the Fourth Proportional to 34,159.38, 51,239.66 and 13,100.62

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Solution

The fourth proportional to 34,159.38, 51,239.66 and 13,100.62 is: 19,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,159.38 : 51,239.66 = 13,100.62 : x
  2. Step 2: Convert to fraction form
    34,159.38/51,239.66 = 13,100.62/x
  3. Step 3: Cross multiply
    34,159.38x = 51,239.66 × 13,100.62
  4. Step 4: Simplify right side
    34,159.38x = 671,271,543.77
  5. Step 5: Solve for x
    x = 671,271,543.77/34,159.38
  6. Step 6: Final answer
    x = 19,651.16

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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.