Home / 40,713.98-61,071.74-12,634.95

Finding the Fourth Proportional to 40,713.98, 61,071.74 and 12,634.95

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Solution

The fourth proportional to 40,713.98, 61,071.74 and 12,634.95 is: 18,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,713.98 : 61,071.74 = 12,634.95 : x
  2. Step 2: Convert to fraction form
    40,713.98/61,071.74 = 12,634.95/x
  3. Step 3: Cross multiply
    40,713.98x = 61,071.74 × 12,634.95
  4. Step 4: Simplify right side
    40,713.98x = 771,638,318.14
  5. Step 5: Solve for x
    x = 771,638,318.14/40,713.98
  6. Step 6: Final answer
    x = 18,952.66

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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.