Home / 36,435.75-54,653.69-10,140.49

Finding the Fourth Proportional to 36,435.75, 54,653.69 and 10,140.49

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Solution

The fourth proportional to 36,435.75, 54,653.69 and 10,140.49 is: 15,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,435.75 : 54,653.69 = 10,140.49 : x
  2. Step 2: Convert to fraction form
    36,435.75/54,653.69 = 10,140.49/x
  3. Step 3: Cross multiply
    36,435.75x = 54,653.69 × 10,140.49
  4. Step 4: Simplify right side
    36,435.75x = 554,215,196.91
  5. Step 5: Solve for x
    x = 554,215,196.91/36,435.75
  6. Step 6: Final answer
    x = 15,210.75

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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.