Home / 39,722.58-59,584.95-12,020.58

Finding the Fourth Proportional to 39,722.58, 59,584.95 and 12,020.58

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Solution

The fourth proportional to 39,722.58, 59,584.95 and 12,020.58 is: 18,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,722.58 : 59,584.95 = 12,020.58 : x
  2. Step 2: Convert to fraction form
    39,722.58/59,584.95 = 12,020.58/x
  3. Step 3: Cross multiply
    39,722.58x = 59,584.95 × 12,020.58
  4. Step 4: Simplify right side
    39,722.58x = 716,245,658.27
  5. Step 5: Solve for x
    x = 716,245,658.27/39,722.58
  6. Step 6: Final answer
    x = 18,031.20

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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.