Home / 40,999.20-61,476.08-14,338.05

Finding the Fourth Proportional to 40,999.20, 61,476.08 and 14,338.05

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Solution

The fourth proportional to 40,999.20, 61,476.08 and 14,338.05 is: 21,499.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,999.20 : 61,476.08 = 14,338.05 : x
  2. Step 2: Convert to fraction form
    40,999.20/61,476.08 = 14,338.05/x
  3. Step 3: Cross multiply
    40,999.20x = 61,476.08 × 14,338.05
  4. Step 4: Simplify right side
    40,999.20x = 881,447,037.15
  5. Step 5: Solve for x
    x = 881,447,037.15/40,999.20
  6. Step 6: Final answer
    x = 21,499.13

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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.