Home / 38,839.39-58,259.09-12,189.50

Finding the Fourth Proportional to 38,839.39, 58,259.09 and 12,189.50

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Solution

The fourth proportional to 38,839.39, 58,259.09 and 12,189.50 is: 18,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839.39 : 58,259.09 = 12,189.50 : x
  2. Step 2: Convert to fraction form
    38,839.39/58,259.09 = 12,189.50/x
  3. Step 3: Cross multiply
    38,839.39x = 58,259.09 × 12,189.50
  4. Step 4: Simplify right side
    38,839.39x = 710,148,916.73
  5. Step 5: Solve for x
    x = 710,148,916.73/38,839.39
  6. Step 6: Final answer
    x = 18,284.24

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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.