Home / 43,314.81-64,974.06-13,731.99

Finding the Fourth Proportional to 43,314.81, 64,974.06 and 13,731.99

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Solution

The fourth proportional to 43,314.81, 64,974.06 and 13,731.99 is: 20,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,314.81 : 64,974.06 = 13,731.99 : x
  2. Step 2: Convert to fraction form
    43,314.81/64,974.06 = 13,731.99/x
  3. Step 3: Cross multiply
    43,314.81x = 64,974.06 × 13,731.99
  4. Step 4: Simplify right side
    43,314.81x = 892,223,142.18
  5. Step 5: Solve for x
    x = 892,223,142.18/43,314.81
  6. Step 6: Final answer
    x = 20,598.57

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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.