Home / 35,749.20-49,330.65-19,833.60

Finding the Fourth Proportional to 35,749.20, 49,330.65 and 19,833.60

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Solution

The fourth proportional to 35,749.20, 49,330.65 and 19,833.60 is: 27,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,749.20 : 49,330.65 = 19,833.60 : x
  2. Step 2: Convert to fraction form
    35,749.20/49,330.65 = 19,833.60/x
  3. Step 3: Cross multiply
    35,749.20x = 49,330.65 × 19,833.60
  4. Step 4: Simplify right side
    35,749.20x = 978,404,379.84
  5. Step 5: Solve for x
    x = 978,404,379.84/35,749.20
  6. Step 6: Final answer
    x = 27,368.57

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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.