Home / 40,921.50-61,382.08-11,339.25

Finding the Fourth Proportional to 40,921.50, 61,382.08 and 11,339.25

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Solution

The fourth proportional to 40,921.50, 61,382.08 and 11,339.25 is: 17,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,921.50 : 61,382.08 = 11,339.25 : x
  2. Step 2: Convert to fraction form
    40,921.50/61,382.08 = 11,339.25/x
  3. Step 3: Cross multiply
    40,921.50x = 61,382.08 × 11,339.25
  4. Step 4: Simplify right side
    40,921.50x = 696,026,693.94
  5. Step 5: Solve for x
    x = 696,026,693.94/40,921.50
  6. Step 6: Final answer
    x = 17,008.83

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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.