Home / 32,814.08-45,280.32-20,236.40

Finding the Fourth Proportional to 32,814.08, 45,280.32 and 20,236.40

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Solution

The fourth proportional to 32,814.08, 45,280.32 and 20,236.40 is: 27,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,814.08 : 45,280.32 = 20,236.40 : x
  2. Step 2: Convert to fraction form
    32,814.08/45,280.32 = 20,236.40/x
  3. Step 3: Cross multiply
    32,814.08x = 45,280.32 × 20,236.40
  4. Step 4: Simplify right side
    32,814.08x = 916,310,667.65
  5. Step 5: Solve for x
    x = 916,310,667.65/32,814.08
  6. Step 6: Final answer
    x = 27,924.31

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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.