Home / 29,079.53-40,076.87-22,702.80

Finding the Fourth Proportional to 29,079.53, 40,076.87 and 22,702.80

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Solution

The fourth proportional to 29,079.53, 40,076.87 and 22,702.80 is: 31,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079.53 : 40,076.87 = 22,702.80 : x
  2. Step 2: Convert to fraction form
    29,079.53/40,076.87 = 22,702.80/x
  3. Step 3: Cross multiply
    29,079.53x = 40,076.87 × 22,702.80
  4. Step 4: Simplify right side
    29,079.53x = 909,857,050.72
  5. Step 5: Solve for x
    x = 909,857,050.72/29,079.53
  6. Step 6: Final answer
    x = 31,288.58

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1.5x scale

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.