Home / 31,865.04-47,698.92-27,141.12

Finding the Fourth Proportional to 31,865.04, 47,698.92 and 27,141.12

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Solution

The fourth proportional to 31,865.04, 47,698.92 and 27,141.12 is: 40,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865.04 : 47,698.92 = 27,141.12 : x
  2. Step 2: Convert to fraction form
    31,865.04/47,698.92 = 27,141.12/x
  3. Step 3: Cross multiply
    31,865.04x = 47,698.92 × 27,141.12
  4. Step 4: Simplify right side
    31,865.04x = 1,294,602,111.59
  5. Step 5: Solve for x
    x = 1,294,602,111.59/31,865.04
  6. Step 6: Final answer
    x = 40,627.66

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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.