Home / 36,530.34-50,411.88-20,618.16

Finding the Fourth Proportional to 36,530.34, 50,411.88 and 20,618.16

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Solution

The fourth proportional to 36,530.34, 50,411.88 and 20,618.16 is: 28,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,530.34 : 50,411.88 = 20,618.16 : x
  2. Step 2: Convert to fraction form
    36,530.34/50,411.88 = 20,618.16/x
  3. Step 3: Cross multiply
    36,530.34x = 50,411.88 × 20,618.16
  4. Step 4: Simplify right side
    36,530.34x = 1,039,400,207.74
  5. Step 5: Solve for x
    x = 1,039,400,207.74/36,530.34
  6. Step 6: Final answer
    x = 28,453.07

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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.