Home / 39,157.56-58,758.21-18,381.06

Finding the Fourth Proportional to 39,157.56, 58,758.21 and 18,381.06

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Solution

The fourth proportional to 39,157.56, 58,758.21 and 18,381.06 is: 27,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157.56 : 58,758.21 = 18,381.06 : x
  2. Step 2: Convert to fraction form
    39,157.56/58,758.21 = 18,381.06/x
  3. Step 3: Cross multiply
    39,157.56x = 58,758.21 × 18,381.06
  4. Step 4: Simplify right side
    39,157.56x = 1,080,038,183.50
  5. Step 5: Solve for x
    x = 1,080,038,183.50/39,157.56
  6. Step 6: Final answer
    x = 27,581.86

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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.