Home / 51,881.52-77,825.08-16,345.63

Finding the Fourth Proportional to 51,881.52, 77,825.08 and 16,345.63

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Solution

The fourth proportional to 51,881.52, 77,825.08 and 16,345.63 is: 24,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,881.52 : 77,825.08 = 16,345.63 : x
  2. Step 2: Convert to fraction form
    51,881.52/77,825.08 = 16,345.63/x
  3. Step 3: Cross multiply
    51,881.52x = 77,825.08 × 16,345.63
  4. Step 4: Simplify right side
    51,881.52x = 1,272,099,988.17
  5. Step 5: Solve for x
    x = 1,272,099,988.17/51,881.52
  6. Step 6: Final answer
    x = 24,519.33

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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.