Home / 39,020.86-58,544.43-12,371.20

Finding the Fourth Proportional to 39,020.86, 58,544.43 and 12,371.20

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Solution

The fourth proportional to 39,020.86, 58,544.43 and 12,371.20 is: 18,560.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020.86 : 58,544.43 = 12,371.20 : x
  2. Step 2: Convert to fraction form
    39,020.86/58,544.43 = 12,371.20/x
  3. Step 3: Cross multiply
    39,020.86x = 58,544.43 × 12,371.20
  4. Step 4: Simplify right side
    39,020.86x = 724,264,852.42
  5. Step 5: Solve for x
    x = 724,264,852.42/39,020.86
  6. Step 6: Final answer
    x = 18,560.97

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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.