Home / 47,324.48-70,985.12-11,785.73

Finding the Fourth Proportional to 47,324.48, 70,985.12 and 11,785.73

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Solution

The fourth proportional to 47,324.48, 70,985.12 and 11,785.73 is: 17,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,324.48 : 70,985.12 = 11,785.73 : x
  2. Step 2: Convert to fraction form
    47,324.48/70,985.12 = 11,785.73/x
  3. Step 3: Cross multiply
    47,324.48x = 70,985.12 × 11,785.73
  4. Step 4: Simplify right side
    47,324.48x = 836,611,044.48
  5. Step 5: Solve for x
    x = 836,611,044.48/47,324.48
  6. Step 6: Final answer
    x = 17,678.19

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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.