Home / 43,802.38-65,463.58-31,981.08

Finding the Fourth Proportional to 43,802.38, 65,463.58 and 31,981.08

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Solution

The fourth proportional to 43,802.38, 65,463.58 and 31,981.08 is: 47,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,802.38 : 65,463.58 = 31,981.08 : x
  2. Step 2: Convert to fraction form
    43,802.38/65,463.58 = 31,981.08/x
  3. Step 3: Cross multiply
    43,802.38x = 65,463.58 × 31,981.08
  4. Step 4: Simplify right side
    43,802.38x = 2,093,595,741.70
  5. Step 5: Solve for x
    x = 2,093,595,741.70/43,802.38
  6. Step 6: Final answer
    x = 47,796.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.