Home / 39,022.93-58,567.20-20,309.50

Finding the Fourth Proportional to 39,022.93, 58,567.20 and 20,309.50

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Solution

The fourth proportional to 39,022.93, 58,567.20 and 20,309.50 is: 30,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,022.93 : 58,567.20 = 20,309.50 : x
  2. Step 2: Convert to fraction form
    39,022.93/58,567.20 = 20,309.50/x
  3. Step 3: Cross multiply
    39,022.93x = 58,567.20 × 20,309.50
  4. Step 4: Simplify right side
    39,022.93x = 1,189,470,548.40
  5. Step 5: Solve for x
    x = 1,189,470,548.40/39,022.93
  6. Step 6: Final answer
    x = 30,481.32

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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.