Home / 57,214.36-85,846.30-30,937.72

Finding the Fourth Proportional to 57,214.36, 85,846.30 and 30,937.72

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Solution

The fourth proportional to 57,214.36, 85,846.30 and 30,937.72 is: 46,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,214.36 : 85,846.30 = 30,937.72 : x
  2. Step 2: Convert to fraction form
    57,214.36/85,846.30 = 30,937.72/x
  3. Step 3: Cross multiply
    57,214.36x = 85,846.30 × 30,937.72
  4. Step 4: Simplify right side
    57,214.36x = 2,655,888,792.44
  5. Step 5: Solve for x
    x = 2,655,888,792.44/57,214.36
  6. Step 6: Final answer
    x = 46,419.97

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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.