Home / 32,485.28-44,829.20-18,145.34

Finding the Fourth Proportional to 32,485.28, 44,829.20 and 18,145.34

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Solution

The fourth proportional to 32,485.28, 44,829.20 and 18,145.34 is: 25,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,485.28 : 44,829.20 = 18,145.34 : x
  2. Step 2: Convert to fraction form
    32,485.28/44,829.20 = 18,145.34/x
  3. Step 3: Cross multiply
    32,485.28x = 44,829.20 × 18,145.34
  4. Step 4: Simplify right side
    32,485.28x = 813,441,089.27
  5. Step 5: Solve for x
    x = 813,441,089.27/32,485.28
  6. Step 6: Final answer
    x = 25,040.30

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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.