Home / 49,608.10-74,318.32-38,460.21

Finding the Fourth Proportional to 49,608.10, 74,318.32 and 38,460.21

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Solution

The fourth proportional to 49,608.10, 74,318.32 and 38,460.21 is: 57,617.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,608.10 : 74,318.32 = 38,460.21 : x
  2. Step 2: Convert to fraction form
    49,608.10/74,318.32 = 38,460.21/x
  3. Step 3: Cross multiply
    49,608.10x = 74,318.32 × 38,460.21
  4. Step 4: Simplify right side
    49,608.10x = 2,858,298,194.05
  5. Step 5: Solve for x
    x = 2,858,298,194.05/49,608.10
  6. Step 6: Final answer
    x = 57,617.57

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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.