Home / 47,506.45-65,548.69-28,643.17

Finding the Fourth Proportional to 47,506.45, 65,548.69 and 28,643.17

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Solution

The fourth proportional to 47,506.45, 65,548.69 and 28,643.17 is: 39,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,506.45 : 65,548.69 = 28,643.17 : x
  2. Step 2: Convert to fraction form
    47,506.45/65,548.69 = 28,643.17/x
  3. Step 3: Cross multiply
    47,506.45x = 65,548.69 × 28,643.17
  4. Step 4: Simplify right side
    47,506.45x = 1,877,522,270.95
  5. Step 5: Solve for x
    x = 1,877,522,270.95/47,506.45
  6. Step 6: Final answer
    x = 39,521.42

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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.