Home / 32,924.68-45,443.46-20,985.64

Finding the Fourth Proportional to 32,924.68, 45,443.46 and 20,985.64

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Solution

The fourth proportional to 32,924.68, 45,443.46 and 20,985.64 is: 28,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,924.68 : 45,443.46 = 20,985.64 : x
  2. Step 2: Convert to fraction form
    32,924.68/45,443.46 = 20,985.64/x
  3. Step 3: Cross multiply
    32,924.68x = 45,443.46 × 20,985.64
  4. Step 4: Simplify right side
    32,924.68x = 953,660,091.91
  5. Step 5: Solve for x
    x = 953,660,091.91/32,924.68
  6. Step 6: Final answer
    x = 28,964.90

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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.