Home / 31,983.48-47,653.65-30,195

Finding the Fourth Proportional to 31,983.48, 47,653.65 and 30,195

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Solution

The fourth proportional to 31,983.48, 47,653.65 and 30,195 is: 44,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.48 : 47,653.65 = 30,195 : x
  2. Step 2: Convert to fraction form
    31,983.48/47,653.65 = 30,195/x
  3. Step 3: Cross multiply
    31,983.48x = 47,653.65 × 30,195
  4. Step 4: Simplify right side
    31,983.48x = 1,438,901,961.75
  5. Step 5: Solve for x
    x = 1,438,901,961.75/31,983.48
  6. Step 6: Final answer
    x = 44,988.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.