Home / 35,740.59-49,310.60-20,631.25

Finding the Fourth Proportional to 35,740.59, 49,310.60 and 20,631.25

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Solution

The fourth proportional to 35,740.59, 49,310.60 and 20,631.25 is: 28,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,740.59 : 49,310.60 = 20,631.25 : x
  2. Step 2: Convert to fraction form
    35,740.59/49,310.60 = 20,631.25/x
  3. Step 3: Cross multiply
    35,740.59x = 49,310.60 × 20,631.25
  4. Step 4: Simplify right side
    35,740.59x = 1,017,339,316.25
  5. Step 5: Solve for x
    x = 1,017,339,316.25/35,740.59
  6. Step 6: Final answer
    x = 28,464.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.