Home / 39,479.22-54,463.05-22,702.50

Finding the Fourth Proportional to 39,479.22, 54,463.05 and 22,702.50

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Solution

The fourth proportional to 39,479.22, 54,463.05 and 22,702.50 is: 31,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,479.22 : 54,463.05 = 22,702.50 : x
  2. Step 2: Convert to fraction form
    39,479.22/54,463.05 = 22,702.50/x
  3. Step 3: Cross multiply
    39,479.22x = 54,463.05 × 22,702.50
  4. Step 4: Simplify right side
    39,479.22x = 1,236,447,392.63
  5. Step 5: Solve for x
    x = 1,236,447,392.63/39,479.22
  6. Step 6: Final answer
    x = 31,318.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.