Home / 40,020.15-60,038.81-11,942.42

Finding the Fourth Proportional to 40,020.15, 60,038.81 and 11,942.42

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Solution

The fourth proportional to 40,020.15, 60,038.81 and 11,942.42 is: 17,916.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,020.15 : 60,038.81 = 11,942.42 : x
  2. Step 2: Convert to fraction form
    40,020.15/60,038.81 = 11,942.42/x
  3. Step 3: Cross multiply
    40,020.15x = 60,038.81 × 11,942.42
  4. Step 4: Simplify right side
    40,020.15x = 717,008,370.20
  5. Step 5: Solve for x
    x = 717,008,370.20/40,020.15
  6. Step 6: Final answer
    x = 17,916.18

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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.