Home / 29,451.90-40,640.58-16,702.50

Finding the Fourth Proportional to 29,451.90, 40,640.58 and 16,702.50

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Solution

The fourth proportional to 29,451.90, 40,640.58 and 16,702.50 is: 23,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,451.90 : 40,640.58 = 16,702.50 : x
  2. Step 2: Convert to fraction form
    29,451.90/40,640.58 = 16,702.50/x
  3. Step 3: Cross multiply
    29,451.90x = 40,640.58 × 16,702.50
  4. Step 4: Simplify right side
    29,451.90x = 678,799,287.45
  5. Step 5: Solve for x
    x = 678,799,287.45/29,451.90
  6. Step 6: Final answer
    x = 23,047.72

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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.