Home / 39,325.56-58,968.28-13,020.81

Finding the Fourth Proportional to 39,325.56, 58,968.28 and 13,020.81

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Solution

The fourth proportional to 39,325.56, 58,968.28 and 13,020.81 is: 19,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,325.56 : 58,968.28 = 13,020.81 : x
  2. Step 2: Convert to fraction form
    39,325.56/58,968.28 = 13,020.81/x
  3. Step 3: Cross multiply
    39,325.56x = 58,968.28 × 13,020.81
  4. Step 4: Simplify right side
    39,325.56x = 767,814,769.91
  5. Step 5: Solve for x
    x = 767,814,769.91/39,325.56
  6. Step 6: Final answer
    x = 19,524.57

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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.