Home / 38,790.69-58,174.75-17,719.55

Finding the Fourth Proportional to 38,790.69, 58,174.75 and 17,719.55

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Solution

The fourth proportional to 38,790.69, 58,174.75 and 17,719.55 is: 26,574.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,790.69 : 58,174.75 = 17,719.55 : x
  2. Step 2: Convert to fraction form
    38,790.69/58,174.75 = 17,719.55/x
  3. Step 3: Cross multiply
    38,790.69x = 58,174.75 × 17,719.55
  4. Step 4: Simplify right side
    38,790.69x = 1,030,830,391.36
  5. Step 5: Solve for x
    x = 1,030,830,391.36/38,790.69
  6. Step 6: Final answer
    x = 26,574.17

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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.