Home / 39,722.08-59,584.20-12,020.08

Finding the Fourth Proportional to 39,722.08, 59,584.20 and 12,020.08

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Solution

The fourth proportional to 39,722.08, 59,584.20 and 12,020.08 is: 18,030.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,722.08 : 59,584.20 = 12,020.08 : x
  2. Step 2: Convert to fraction form
    39,722.08/59,584.20 = 12,020.08/x
  3. Step 3: Cross multiply
    39,722.08x = 59,584.20 × 12,020.08
  4. Step 4: Simplify right side
    39,722.08x = 716,206,850.74
  5. Step 5: Solve for x
    x = 716,206,850.74/39,722.08
  6. Step 6: Final answer
    x = 18,030.45

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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.