Home / 30,132.57-41,580.15-16,702.68

Finding the Fourth Proportional to 30,132.57, 41,580.15 and 16,702.68

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Solution

The fourth proportional to 30,132.57, 41,580.15 and 16,702.68 is: 23,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132.57 : 41,580.15 = 16,702.68 : x
  2. Step 2: Convert to fraction form
    30,132.57/41,580.15 = 16,702.68/x
  3. Step 3: Cross multiply
    30,132.57x = 41,580.15 × 16,702.68
  4. Step 4: Simplify right side
    30,132.57x = 694,499,939.64
  5. Step 5: Solve for x
    x = 694,499,939.64/30,132.57
  6. Step 6: Final answer
    x = 23,048.15

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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.