Home / 39,139.54-58,716.33-18,362.50

Finding the Fourth Proportional to 39,139.54, 58,716.33 and 18,362.50

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Solution

The fourth proportional to 39,139.54, 58,716.33 and 18,362.50 is: 27,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139.54 : 58,716.33 = 18,362.50 : x
  2. Step 2: Convert to fraction form
    39,139.54/58,716.33 = 18,362.50/x
  3. Step 3: Cross multiply
    39,139.54x = 58,716.33 × 18,362.50
  4. Step 4: Simplify right side
    39,139.54x = 1,078,178,609.63
  5. Step 5: Solve for x
    x = 1,078,178,609.63/39,139.54
  6. Step 6: Final answer
    x = 27,547.04

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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.