Home / 32,017.20-48,047.40-20,896.80

Finding the Fourth Proportional to 32,017.20, 48,047.40 and 20,896.80

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Solution

The fourth proportional to 32,017.20, 48,047.40 and 20,896.80 is: 31,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,017.20 : 48,047.40 = 20,896.80 : x
  2. Step 2: Convert to fraction form
    32,017.20/48,047.40 = 20,896.80/x
  3. Step 3: Cross multiply
    32,017.20x = 48,047.40 × 20,896.80
  4. Step 4: Simplify right side
    32,017.20x = 1,004,036,908.32
  5. Step 5: Solve for x
    x = 1,004,036,908.32/32,017.20
  6. Step 6: Final answer
    x = 31,359.30

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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.