Home / 57,431.06-86,146.52-17,991.24

Finding the Fourth Proportional to 57,431.06, 86,146.52 and 17,991.24

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Solution

The fourth proportional to 57,431.06, 86,146.52 and 17,991.24 is: 26,986.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,431.06 : 86,146.52 = 17,991.24 : x
  2. Step 2: Convert to fraction form
    57,431.06/86,146.52 = 17,991.24/x
  3. Step 3: Cross multiply
    57,431.06x = 86,146.52 × 17,991.24
  4. Step 4: Simplify right side
    57,431.06x = 1,549,882,626.53
  5. Step 5: Solve for x
    x = 1,549,882,626.53/57,431.06
  6. Step 6: Final answer
    x = 26,986.84

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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.