Home / 40,715.49-61,076.88-14,420.46

Finding the Fourth Proportional to 40,715.49, 61,076.88 and 14,420.46

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Solution

The fourth proportional to 40,715.49, 61,076.88 and 14,420.46 is: 21,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,715.49 : 61,076.88 = 14,420.46 : x
  2. Step 2: Convert to fraction form
    40,715.49/61,076.88 = 14,420.46/x
  3. Step 3: Cross multiply
    40,715.49x = 61,076.88 × 14,420.46
  4. Step 4: Simplify right side
    40,715.49x = 880,756,704.96
  5. Step 5: Solve for x
    x = 880,756,704.96/40,715.49
  6. Step 6: Final answer
    x = 21,631.98

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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.