Home / 30,092.31-45,137.79-12,332.52

Finding the Fourth Proportional to 30,092.31, 45,137.79 and 12,332.52

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Solution

The fourth proportional to 30,092.31, 45,137.79 and 12,332.52 is: 18,498.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,092.31 : 45,137.79 = 12,332.52 : x
  2. Step 2: Convert to fraction form
    30,092.31/45,137.79 = 12,332.52/x
  3. Step 3: Cross multiply
    30,092.31x = 45,137.79 × 12,332.52
  4. Step 4: Simplify right side
    30,092.31x = 556,662,697.93
  5. Step 5: Solve for x
    x = 556,662,697.93/30,092.31
  6. Step 6: Final answer
    x = 18,498.50

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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.