Home / 40,836.08-61,263.84-15,876.74

Finding the Fourth Proportional to 40,836.08, 61,263.84 and 15,876.74

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Solution

The fourth proportional to 40,836.08, 61,263.84 and 15,876.74 is: 23,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,836.08 : 61,263.84 = 15,876.74 : x
  2. Step 2: Convert to fraction form
    40,836.08/61,263.84 = 15,876.74/x
  3. Step 3: Cross multiply
    40,836.08x = 61,263.84 × 15,876.74
  4. Step 4: Simplify right side
    40,836.08x = 972,670,059.08
  5. Step 5: Solve for x
    x = 972,670,059.08/40,836.08
  6. Step 6: Final answer
    x = 23,818.89

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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.