Home / 32,871.20-45,364.08-18,728.48

Finding the Fourth Proportional to 32,871.20, 45,364.08 and 18,728.48

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Solution

The fourth proportional to 32,871.20, 45,364.08 and 18,728.48 is: 25,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,871.20 : 45,364.08 = 18,728.48 : x
  2. Step 2: Convert to fraction form
    32,871.20/45,364.08 = 18,728.48/x
  3. Step 3: Cross multiply
    32,871.20x = 45,364.08 × 18,728.48
  4. Step 4: Simplify right side
    32,871.20x = 849,600,265.00
  5. Step 5: Solve for x
    x = 849,600,265.00/32,871.20
  6. Step 6: Final answer
    x = 25,846.34

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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.