Home / 32,485.28-48,729.80-9,113.56

Finding the Fourth Proportional to 32,485.28, 48,729.80 and 9,113.56

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Solution

The fourth proportional to 32,485.28, 48,729.80 and 9,113.56 is: 13,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,485.28 : 48,729.80 = 9,113.56 : x
  2. Step 2: Convert to fraction form
    32,485.28/48,729.80 = 9,113.56/x
  3. Step 3: Cross multiply
    32,485.28x = 48,729.80 × 9,113.56
  4. Step 4: Simplify right side
    32,485.28x = 444,101,956.09
  5. Step 5: Solve for x
    x = 444,101,956.09/32,485.28
  6. Step 6: Final answer
    x = 13,670.87

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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.