Home / 57,011.22-85,515.39-15,457.14

Finding the Fourth Proportional to 57,011.22, 85,515.39 and 15,457.14

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Solution

The fourth proportional to 57,011.22, 85,515.39 and 15,457.14 is: 23,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,011.22 : 85,515.39 = 15,457.14 : x
  2. Step 2: Convert to fraction form
    57,011.22/85,515.39 = 15,457.14/x
  3. Step 3: Cross multiply
    57,011.22x = 85,515.39 × 15,457.14
  4. Step 4: Simplify right side
    57,011.22x = 1,321,823,355.38
  5. Step 5: Solve for x
    x = 1,321,823,355.38/57,011.22
  6. Step 6: Final answer
    x = 23,185.32

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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.