Home / 32,985.18-49,472.28-11,921.13

Finding the Fourth Proportional to 32,985.18, 49,472.28 and 11,921.13

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Solution

The fourth proportional to 32,985.18, 49,472.28 and 11,921.13 is: 17,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,985.18 : 49,472.28 = 11,921.13 : x
  2. Step 2: Convert to fraction form
    32,985.18/49,472.28 = 11,921.13/x
  3. Step 3: Cross multiply
    32,985.18x = 49,472.28 × 11,921.13
  4. Step 4: Simplify right side
    32,985.18x = 589,765,481.28
  5. Step 5: Solve for x
    x = 589,765,481.28/32,985.18
  6. Step 6: Final answer
    x = 17,879.71

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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.