Home / 43,983.56-65,981.10-14,393.48

Finding the Fourth Proportional to 43,983.56, 65,981.10 and 14,393.48

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Solution

The fourth proportional to 43,983.56, 65,981.10 and 14,393.48 is: 21,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,983.56 : 65,981.10 = 14,393.48 : x
  2. Step 2: Convert to fraction form
    43,983.56/65,981.10 = 14,393.48/x
  3. Step 3: Cross multiply
    43,983.56x = 65,981.10 × 14,393.48
  4. Step 4: Simplify right side
    43,983.56x = 949,697,643.23
  5. Step 5: Solve for x
    x = 949,697,643.23/43,983.56
  6. Step 6: Final answer
    x = 21,592.10

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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.