Home / 39,077.07-58,647.03-20,362.68

Finding the Fourth Proportional to 39,077.07, 58,647.03 and 20,362.68

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Solution

The fourth proportional to 39,077.07, 58,647.03 and 20,362.68 is: 30,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,077.07 : 58,647.03 = 20,362.68 : x
  2. Step 2: Convert to fraction form
    39,077.07/58,647.03 = 20,362.68/x
  3. Step 3: Cross multiply
    39,077.07x = 58,647.03 × 20,362.68
  4. Step 4: Simplify right side
    39,077.07x = 1,194,210,704.84
  5. Step 5: Solve for x
    x = 1,194,210,704.84/39,077.07
  6. Step 6: Final answer
    x = 30,560.40

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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.