Home / 47,912.99-66,049.02-30,683.52

Finding the Fourth Proportional to 47,912.99, 66,049.02 and 30,683.52

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Solution

The fourth proportional to 47,912.99, 66,049.02 and 30,683.52 is: 42,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,912.99 : 66,049.02 = 30,683.52 : x
  2. Step 2: Convert to fraction form
    47,912.99/66,049.02 = 30,683.52/x
  3. Step 3: Cross multiply
    47,912.99x = 66,049.02 × 30,683.52
  4. Step 4: Simplify right side
    47,912.99x = 2,026,616,426.15
  5. Step 5: Solve for x
    x = 2,026,616,426.15/47,912.99
  6. Step 6: Final answer
    x = 42,297.85

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1.5x scale

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.