Home / 35,741.70-49,321.86-19,825.80

Finding the Fourth Proportional to 35,741.70, 49,321.86 and 19,825.80

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Solution

The fourth proportional to 35,741.70, 49,321.86 and 19,825.80 is: 27,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,741.70 : 49,321.86 = 19,825.80 : x
  2. Step 2: Convert to fraction form
    35,741.70/49,321.86 = 19,825.80/x
  3. Step 3: Cross multiply
    35,741.70x = 49,321.86 × 19,825.80
  4. Step 4: Simplify right side
    35,741.70x = 977,845,331.99
  5. Step 5: Solve for x
    x = 977,845,331.99/35,741.70
  6. Step 6: Final answer
    x = 27,358.67

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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.