Home / 51,865.90-77,602.56-30,817.24

Finding the Fourth Proportional to 51,865.90, 77,602.56 and 30,817.24

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Solution

The fourth proportional to 51,865.90, 77,602.56 and 30,817.24 is: 46,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,865.90 : 77,602.56 = 30,817.24 : x
  2. Step 2: Convert to fraction form
    51,865.90/77,602.56 = 30,817.24/x
  3. Step 3: Cross multiply
    51,865.90x = 77,602.56 × 30,817.24
  4. Step 4: Simplify right side
    51,865.90x = 2,391,496,716.13
  5. Step 5: Solve for x
    x = 2,391,496,716.13/51,865.90
  6. Step 6: Final answer
    x = 46,109.23

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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.