Home / 40,999.92-61,458.77-14,325.20

Finding the Fourth Proportional to 40,999.92, 61,458.77 and 14,325.20

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Solution

The fourth proportional to 40,999.92, 61,458.77 and 14,325.20 is: 21,473.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,999.92 : 61,458.77 = 14,325.20 : x
  2. Step 2: Convert to fraction form
    40,999.92/61,458.77 = 14,325.20/x
  3. Step 3: Cross multiply
    40,999.92x = 61,458.77 × 14,325.20
  4. Step 4: Simplify right side
    40,999.92x = 880,409,100.38
  5. Step 5: Solve for x
    x = 880,409,100.38/40,999.92
  6. Step 6: Final answer
    x = 21,473.44

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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.