Home / 57,144.96-78,858.24-31,652.16

Finding the Fourth Proportional to 57,144.96, 78,858.24 and 31,652.16

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Solution

The fourth proportional to 57,144.96, 78,858.24 and 31,652.16 is: 43,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,144.96 : 78,858.24 = 31,652.16 : x
  2. Step 2: Convert to fraction form
    57,144.96/78,858.24 = 31,652.16/x
  3. Step 3: Cross multiply
    57,144.96x = 78,858.24 × 31,652.16
  4. Step 4: Simplify right side
    57,144.96x = 2,496,033,629.80
  5. Step 5: Solve for x
    x = 2,496,033,629.80/57,144.96
  6. Step 6: Final answer
    x = 43,678.98

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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.