Home / 39,313.81-58,979.22-13,017.61

Finding the Fourth Proportional to 39,313.81, 58,979.22 and 13,017.61

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Solution

The fourth proportional to 39,313.81, 58,979.22 and 13,017.61 is: 19,529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,313.81 : 58,979.22 = 13,017.61 : x
  2. Step 2: Convert to fraction form
    39,313.81/58,979.22 = 13,017.61/x
  3. Step 3: Cross multiply
    39,313.81x = 58,979.22 × 13,017.61
  4. Step 4: Simplify right side
    39,313.81x = 767,768,484.06
  5. Step 5: Solve for x
    x = 767,768,484.06/39,313.81
  6. Step 6: Final answer
    x = 19,529.23

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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.