Home / 36,207.84-54,328.32-21,445.92

Finding the Fourth Proportional to 36,207.84, 54,328.32 and 21,445.92

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Solution

The fourth proportional to 36,207.84, 54,328.32 and 21,445.92 is: 32,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,207.84 : 54,328.32 = 21,445.92 : x
  2. Step 2: Convert to fraction form
    36,207.84/54,328.32 = 21,445.92/x
  3. Step 3: Cross multiply
    36,207.84x = 54,328.32 × 21,445.92
  4. Step 4: Simplify right side
    36,207.84x = 1,165,120,804.45
  5. Step 5: Solve for x
    x = 1,165,120,804.45/36,207.84
  6. Step 6: Final answer
    x = 32,178.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.