Home / 19,935.45-29,897.78-10,080.45

Finding the Fourth Proportional to 19,935.45, 29,897.78 and 10,080.45

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Solution

The fourth proportional to 19,935.45, 29,897.78 and 10,080.45 is: 15,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.45 : 29,897.78 = 10,080.45 : x
  2. Step 2: Convert to fraction form
    19,935.45/29,897.78 = 10,080.45/x
  3. Step 3: Cross multiply
    19,935.45x = 29,897.78 × 10,080.45
  4. Step 4: Simplify right side
    19,935.45x = 301,383,026.00
  5. Step 5: Solve for x
    x = 301,383,026.00/19,935.45
  6. Step 6: Final answer
    x = 15,117.94

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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.