Home / 39,515.16-59,297.64-28,821.60

Finding the Fourth Proportional to 39,515.16, 59,297.64 and 28,821.60

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Solution

The fourth proportional to 39,515.16, 59,297.64 and 28,821.60 is: 43,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,515.16 : 59,297.64 = 28,821.60 : x
  2. Step 2: Convert to fraction form
    39,515.16/59,297.64 = 28,821.60/x
  3. Step 3: Cross multiply
    39,515.16x = 59,297.64 × 28,821.60
  4. Step 4: Simplify right side
    39,515.16x = 1,709,052,861.02
  5. Step 5: Solve for x
    x = 1,709,052,861.02/39,515.16
  6. Step 6: Final answer
    x = 43,250.56

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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.