Home / 39,139.04-58,715.58-18,362

Finding the Fourth Proportional to 39,139.04, 58,715.58 and 18,362

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Solution

The fourth proportional to 39,139.04, 58,715.58 and 18,362 is: 27,546.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139.04 : 58,715.58 = 18,362 : x
  2. Step 2: Convert to fraction form
    39,139.04/58,715.58 = 18,362/x
  3. Step 3: Cross multiply
    39,139.04x = 58,715.58 × 18,362
  4. Step 4: Simplify right side
    39,139.04x = 1,078,135,479.96
  5. Step 5: Solve for x
    x = 1,078,135,479.96/39,139.04
  6. Step 6: Final answer
    x = 27,546.29

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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.