Home / 31,615.76-47,423.64-27,961.04

Finding the Fourth Proportional to 31,615.76, 47,423.64 and 27,961.04

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Solution

The fourth proportional to 31,615.76, 47,423.64 and 27,961.04 is: 41,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615.76 : 47,423.64 = 27,961.04 : x
  2. Step 2: Convert to fraction form
    31,615.76/47,423.64 = 27,961.04/x
  3. Step 3: Cross multiply
    31,615.76x = 47,423.64 × 27,961.04
  4. Step 4: Simplify right side
    31,615.76x = 1,326,014,294.99
  5. Step 5: Solve for x
    x = 1,326,014,294.99/31,615.76
  6. Step 6: Final answer
    x = 41,941.56

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1.5x scale

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.