Home / 31,585.52-47,361.72-15,773.60

Finding the Fourth Proportional to 31,585.52, 47,361.72 and 15,773.60

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Solution

The fourth proportional to 31,585.52, 47,361.72 and 15,773.60 is: 23,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,585.52 : 47,361.72 = 15,773.60 : x
  2. Step 2: Convert to fraction form
    31,585.52/47,361.72 = 15,773.60/x
  3. Step 3: Cross multiply
    31,585.52x = 47,361.72 × 15,773.60
  4. Step 4: Simplify right side
    31,585.52x = 747,064,826.59
  5. Step 5: Solve for x
    x = 747,064,826.59/31,585.52
  6. Step 6: Final answer
    x = 23,652.13

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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.