Home / 31,827.60-47,741.40-31,098.60

Finding the Fourth Proportional to 31,827.60, 47,741.40 and 31,098.60

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Solution

The fourth proportional to 31,827.60, 47,741.40 and 31,098.60 is: 46,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,827.60 : 47,741.40 = 31,098.60 : x
  2. Step 2: Convert to fraction form
    31,827.60/47,741.40 = 31,098.60/x
  3. Step 3: Cross multiply
    31,827.60x = 47,741.40 × 31,098.60
  4. Step 4: Simplify right side
    31,827.60x = 1,484,690,702.04
  5. Step 5: Solve for x
    x = 1,484,690,702.04/31,827.60
  6. Step 6: Final answer
    x = 46,647.90

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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.