Home / 39,939.50-59,909.26-12,237.50

Finding the Fourth Proportional to 39,939.50, 59,909.26 and 12,237.50

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Solution

The fourth proportional to 39,939.50, 59,909.26 and 12,237.50 is: 18,356.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.50 : 59,909.26 = 12,237.50 : x
  2. Step 2: Convert to fraction form
    39,939.50/59,909.26 = 12,237.50/x
  3. Step 3: Cross multiply
    39,939.50x = 59,909.26 × 12,237.50
  4. Step 4: Simplify right side
    39,939.50x = 733,139,569.25
  5. Step 5: Solve for x
    x = 733,139,569.25/39,939.50
  6. Step 6: Final answer
    x = 18,356.25

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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.