Home / 61,945.50-92,918.25-20,395.74

Finding the Fourth Proportional to 61,945.50, 92,918.25 and 20,395.74

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Solution

The fourth proportional to 61,945.50, 92,918.25 and 20,395.74 is: 30,593.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,945.50 : 92,918.25 = 20,395.74 : x
  2. Step 2: Convert to fraction form
    61,945.50/92,918.25 = 20,395.74/x
  3. Step 3: Cross multiply
    61,945.50x = 92,918.25 × 20,395.74
  4. Step 4: Simplify right side
    61,945.50x = 1,895,136,468.26
  5. Step 5: Solve for x
    x = 1,895,136,468.26/61,945.50
  6. Step 6: Final answer
    x = 30,593.61

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1.5x scale

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.