Home / 47,702.25-65,835.18-28,839.38

Finding the Fourth Proportional to 47,702.25, 65,835.18 and 28,839.38

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Solution

The fourth proportional to 47,702.25, 65,835.18 and 28,839.38 is: 39,802.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,702.25 : 65,835.18 = 28,839.38 : x
  2. Step 2: Convert to fraction form
    47,702.25/65,835.18 = 28,839.38/x
  3. Step 3: Cross multiply
    47,702.25x = 65,835.18 × 28,839.38
  4. Step 4: Simplify right side
    47,702.25x = 1,898,645,444.21
  5. Step 5: Solve for x
    x = 1,898,645,444.21/47,702.25
  6. Step 6: Final answer
    x = 39,802.01

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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.