Home / 51,987.09-77,972.50-16,926.51

Finding the Fourth Proportional to 51,987.09, 77,972.50 and 16,926.51

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Solution

The fourth proportional to 51,987.09, 77,972.50 and 16,926.51 is: 25,387.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,987.09 : 77,972.50 = 16,926.51 : x
  2. Step 2: Convert to fraction form
    51,987.09/77,972.50 = 16,926.51/x
  3. Step 3: Cross multiply
    51,987.09x = 77,972.50 × 16,926.51
  4. Step 4: Simplify right side
    51,987.09x = 1,319,802,300.98
  5. Step 5: Solve for x
    x = 1,319,802,300.98/51,987.09
  6. Step 6: Final answer
    x = 25,387.12

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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.