Home / 42,940.36-64,429.08-23,232.79

Finding the Fourth Proportional to 42,940.36, 64,429.08 and 23,232.79

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Solution

The fourth proportional to 42,940.36, 64,429.08 and 23,232.79 is: 34,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,940.36 : 64,429.08 = 23,232.79 : x
  2. Step 2: Convert to fraction form
    42,940.36/64,429.08 = 23,232.79/x
  3. Step 3: Cross multiply
    42,940.36x = 64,429.08 × 23,232.79
  4. Step 4: Simplify right side
    42,940.36x = 1,496,867,285.53
  5. Step 5: Solve for x
    x = 1,496,867,285.53/42,940.36
  6. Step 6: Final answer
    x = 34,859.22

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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.