Home / 39,140.05-58,704.57-12,841.39

Finding the Fourth Proportional to 39,140.05, 58,704.57 and 12,841.39

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Solution

The fourth proportional to 39,140.05, 58,704.57 and 12,841.39 is: 19,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140.05 : 58,704.57 = 12,841.39 : x
  2. Step 2: Convert to fraction form
    39,140.05/58,704.57 = 12,841.39/x
  3. Step 3: Cross multiply
    39,140.05x = 58,704.57 × 12,841.39
  4. Step 4: Simplify right side
    39,140.05x = 753,848,278.15
  5. Step 5: Solve for x
    x = 753,848,278.15/39,140.05
  6. Step 6: Final answer
    x = 19,260.28

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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.