Home / 57,833.22-86,750.43-20,386.32

Finding the Fourth Proportional to 57,833.22, 86,750.43 and 20,386.32

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Solution

The fourth proportional to 57,833.22, 86,750.43 and 20,386.32 is: 30,579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,833.22 : 86,750.43 = 20,386.32 : x
  2. Step 2: Convert to fraction form
    57,833.22/86,750.43 = 20,386.32/x
  3. Step 3: Cross multiply
    57,833.22x = 86,750.43 × 20,386.32
  4. Step 4: Simplify right side
    57,833.22x = 1,768,522,026.12
  5. Step 5: Solve for x
    x = 1,768,522,026.12/57,833.22
  6. Step 6: Final answer
    x = 30,579.69

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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.