Home / 37,453.12-51,684.87-20,457.16

Finding the Fourth Proportional to 37,453.12, 51,684.87 and 20,457.16

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Solution

The fourth proportional to 37,453.12, 51,684.87 and 20,457.16 is: 28,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,453.12 : 51,684.87 = 20,457.16 : x
  2. Step 2: Convert to fraction form
    37,453.12/51,684.87 = 20,457.16/x
  3. Step 3: Cross multiply
    37,453.12x = 51,684.87 × 20,457.16
  4. Step 4: Simplify right side
    37,453.12x = 1,057,325,655.17
  5. Step 5: Solve for x
    x = 1,057,325,655.17/37,453.12
  6. Step 6: Final answer
    x = 28,230.64

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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.