Home / 38,661.60-57,991.62-12,366.34

Finding the Fourth Proportional to 38,661.60, 57,991.62 and 12,366.34

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Solution

The fourth proportional to 38,661.60, 57,991.62 and 12,366.34 is: 18,549.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661.60 : 57,991.62 = 12,366.34 : x
  2. Step 2: Convert to fraction form
    38,661.60/57,991.62 = 12,366.34/x
  3. Step 3: Cross multiply
    38,661.60x = 57,991.62 × 12,366.34
  4. Step 4: Simplify right side
    38,661.60x = 717,144,090.07
  5. Step 5: Solve for x
    x = 717,144,090.07/38,661.60
  6. Step 6: Final answer
    x = 18,549.26

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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.