Home / 38,991.29-58,486.93-12,698.69

Finding the Fourth Proportional to 38,991.29, 58,486.93 and 12,698.69

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Solution

The fourth proportional to 38,991.29, 58,486.93 and 12,698.69 is: 19,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,991.29 : 58,486.93 = 12,698.69 : x
  2. Step 2: Convert to fraction form
    38,991.29/58,486.93 = 12,698.69/x
  3. Step 3: Cross multiply
    38,991.29x = 58,486.93 × 12,698.69
  4. Step 4: Simplify right side
    38,991.29x = 742,707,068.94
  5. Step 5: Solve for x
    x = 742,707,068.94/38,991.29
  6. Step 6: Final answer
    x = 19,048.03

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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.