Home / 46,621.72-64,361.80-31,593.78

Finding the Fourth Proportional to 46,621.72, 64,361.80 and 31,593.78

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Solution

The fourth proportional to 46,621.72, 64,361.80 and 31,593.78 is: 43,615.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,621.72 : 64,361.80 = 31,593.78 : x
  2. Step 2: Convert to fraction form
    46,621.72/64,361.80 = 31,593.78/x
  3. Step 3: Cross multiply
    46,621.72x = 64,361.80 × 31,593.78
  4. Step 4: Simplify right side
    46,621.72x = 2,033,432,549.60
  5. Step 5: Solve for x
    x = 2,033,432,549.60/46,621.72
  6. Step 6: Final answer
    x = 43,615.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.