Home / 31,683.48-47,393.92-28,796.64

Finding the Fourth Proportional to 31,683.48, 47,393.92 and 28,796.64

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Solution

The fourth proportional to 31,683.48, 47,393.92 and 28,796.64 is: 43,075.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,683.48 : 47,393.92 = 28,796.64 : x
  2. Step 2: Convert to fraction form
    31,683.48/47,393.92 = 28,796.64/x
  3. Step 3: Cross multiply
    31,683.48x = 47,393.92 × 28,796.64
  4. Step 4: Simplify right side
    31,683.48x = 1,364,785,652.43
  5. Step 5: Solve for x
    x = 1,364,785,652.43/31,683.48
  6. Step 6: Final answer
    x = 43,075.62

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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.