Home / 31,504.63-47,255.38-11,781.74

Finding the Fourth Proportional to 31,504.63, 47,255.38 and 11,781.74

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Solution

The fourth proportional to 31,504.63, 47,255.38 and 11,781.74 is: 17,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504.63 : 47,255.38 = 11,781.74 : x
  2. Step 2: Convert to fraction form
    31,504.63/47,255.38 = 11,781.74/x
  3. Step 3: Cross multiply
    31,504.63x = 47,255.38 × 11,781.74
  4. Step 4: Simplify right side
    31,504.63x = 556,750,600.76
  5. Step 5: Solve for x
    x = 556,750,600.76/31,504.63
  6. Step 6: Final answer
    x = 17,672.02

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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.