Home / 39,277.88-58,916.82-18,503

Finding the Fourth Proportional to 39,277.88, 58,916.82 and 18,503

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Solution

The fourth proportional to 39,277.88, 58,916.82 and 18,503 is: 27,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,277.88 : 58,916.82 = 18,503 : x
  2. Step 2: Convert to fraction form
    39,277.88/58,916.82 = 18,503/x
  3. Step 3: Cross multiply
    39,277.88x = 58,916.82 × 18,503
  4. Step 4: Simplify right side
    39,277.88x = 1,090,137,920.46
  5. Step 5: Solve for x
    x = 1,090,137,920.46/39,277.88
  6. Step 6: Final answer
    x = 27,754.50

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1.5x scale

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.