Home / 40,876.94-61,343.31-14,222.67

Finding the Fourth Proportional to 40,876.94, 61,343.31 and 14,222.67

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Solution

The fourth proportional to 40,876.94, 61,343.31 and 14,222.67 is: 21,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,876.94 : 61,343.31 = 14,222.67 : x
  2. Step 2: Convert to fraction form
    40,876.94/61,343.31 = 14,222.67/x
  3. Step 3: Cross multiply
    40,876.94x = 61,343.31 × 14,222.67
  4. Step 4: Simplify right side
    40,876.94x = 872,465,654.84
  5. Step 5: Solve for x
    x = 872,465,654.84/40,876.94
  6. Step 6: Final answer
    x = 21,343.72

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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.