Home / 31,615.52-47,480.66-27,421.93

Finding the Fourth Proportional to 31,615.52, 47,480.66 and 27,421.93

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Solution

The fourth proportional to 31,615.52, 47,480.66 and 27,421.93 is: 41,182.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615.52 : 47,480.66 = 27,421.93 : x
  2. Step 2: Convert to fraction form
    31,615.52/47,480.66 = 27,421.93/x
  3. Step 3: Cross multiply
    31,615.52x = 47,480.66 × 27,421.93
  4. Step 4: Simplify right side
    31,615.52x = 1,302,011,334.87
  5. Step 5: Solve for x
    x = 1,302,011,334.87/31,615.52
  6. Step 6: Final answer
    x = 41,182.66

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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.