Home / 49,509.86-74,269.16-13,971.49

Finding the Fourth Proportional to 49,509.86, 74,269.16 and 13,971.49

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Solution

The fourth proportional to 49,509.86, 74,269.16 and 13,971.49 is: 20,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,509.86 : 74,269.16 = 13,971.49 : x
  2. Step 2: Convert to fraction form
    49,509.86/74,269.16 = 13,971.49/x
  3. Step 3: Cross multiply
    49,509.86x = 74,269.16 × 13,971.49
  4. Step 4: Simplify right side
    49,509.86x = 1,037,650,826.25
  5. Step 5: Solve for x
    x = 1,037,650,826.25/49,509.86
  6. Step 6: Final answer
    x = 20,958.47

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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.