Home / 38,690.22-58,103.37-38,136.18

Finding the Fourth Proportional to 38,690.22, 58,103.37 and 38,136.18

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Solution

The fourth proportional to 38,690.22, 58,103.37 and 38,136.18 is: 57,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690.22 : 58,103.37 = 38,136.18 : x
  2. Step 2: Convert to fraction form
    38,690.22/58,103.37 = 38,136.18/x
  3. Step 3: Cross multiply
    38,690.22x = 58,103.37 × 38,136.18
  4. Step 4: Simplify right side
    38,690.22x = 2,215,840,576.93
  5. Step 5: Solve for x
    x = 2,215,840,576.93/38,690.22
  6. Step 6: Final answer
    x = 57,271.34

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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.