Home / 32,956.14-45,443.03-21,000.54

Finding the Fourth Proportional to 32,956.14, 45,443.03 and 21,000.54

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Solution

The fourth proportional to 32,956.14, 45,443.03 and 21,000.54 is: 28,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,956.14 : 45,443.03 = 21,000.54 : x
  2. Step 2: Convert to fraction form
    32,956.14/45,443.03 = 21,000.54/x
  3. Step 3: Cross multiply
    32,956.14x = 45,443.03 × 21,000.54
  4. Step 4: Simplify right side
    32,956.14x = 954,328,169.24
  5. Step 5: Solve for x
    x = 954,328,169.24/32,956.14
  6. Step 6: Final answer
    x = 28,957.52

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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.