Home / 39,291.50-58,938.87-11,589.50

Finding the Fourth Proportional to 39,291.50, 58,938.87 and 11,589.50

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Solution

The fourth proportional to 39,291.50, 58,938.87 and 11,589.50 is: 17,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,291.50 : 58,938.87 = 11,589.50 : x
  2. Step 2: Convert to fraction form
    39,291.50/58,938.87 = 11,589.50/x
  3. Step 3: Cross multiply
    39,291.50x = 58,938.87 × 11,589.50
  4. Step 4: Simplify right side
    39,291.50x = 683,072,033.87
  5. Step 5: Solve for x
    x = 683,072,033.87/39,291.50
  6. Step 6: Final answer
    x = 17,384.73

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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.