Home / 40,067.78-60,097.08-10,488.47

Finding the Fourth Proportional to 40,067.78, 60,097.08 and 10,488.47

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Solution

The fourth proportional to 40,067.78, 60,097.08 and 10,488.47 is: 15,731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,067.78 : 60,097.08 = 10,488.47 : x
  2. Step 2: Convert to fraction form
    40,067.78/60,097.08 = 10,488.47/x
  3. Step 3: Cross multiply
    40,067.78x = 60,097.08 × 10,488.47
  4. Step 4: Simplify right side
    40,067.78x = 630,326,420.67
  5. Step 5: Solve for x
    x = 630,326,420.67/40,067.78
  6. Step 6: Final answer
    x = 15,731.50

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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.