Home / 43,981.18-65,965.36-14,400.17

Finding the Fourth Proportional to 43,981.18, 65,965.36 and 14,400.17

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Solution

The fourth proportional to 43,981.18, 65,965.36 and 14,400.17 is: 21,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,981.18 : 65,965.36 = 14,400.17 : x
  2. Step 2: Convert to fraction form
    43,981.18/65,965.36 = 14,400.17/x
  3. Step 3: Cross multiply
    43,981.18x = 65,965.36 × 14,400.17
  4. Step 4: Simplify right side
    43,981.18x = 949,912,398.11
  5. Step 5: Solve for x
    x = 949,912,398.11/43,981.18
  6. Step 6: Final answer
    x = 21,598.16

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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.