Home / 43,640.64-65,470.32-14,060.16

Finding the Fourth Proportional to 43,640.64, 65,470.32 and 14,060.16

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Solution

The fourth proportional to 43,640.64, 65,470.32 and 14,060.16 is: 21,093.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,640.64 : 65,470.32 = 14,060.16 : x
  2. Step 2: Convert to fraction form
    43,640.64/65,470.32 = 14,060.16/x
  3. Step 3: Cross multiply
    43,640.64x = 65,470.32 × 14,060.16
  4. Step 4: Simplify right side
    43,640.64x = 920,523,174.45
  5. Step 5: Solve for x
    x = 920,523,174.45/43,640.64
  6. Step 6: Final answer
    x = 21,093.26

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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.