Home / 52,549.94-78,829.80-20,952.36

Finding the Fourth Proportional to 52,549.94, 78,829.80 and 20,952.36

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Solution

The fourth proportional to 52,549.94, 78,829.80 and 20,952.36 is: 31,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,549.94 : 78,829.80 = 20,952.36 : x
  2. Step 2: Convert to fraction form
    52,549.94/78,829.80 = 20,952.36/x
  3. Step 3: Cross multiply
    52,549.94x = 78,829.80 × 20,952.36
  4. Step 4: Simplify right side
    52,549.94x = 1,651,670,348.33
  5. Step 5: Solve for x
    x = 1,651,670,348.33/52,549.94
  6. Step 6: Final answer
    x = 31,430.49

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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.