Home / 35,453.01-48,924.75-20,139.45

Finding the Fourth Proportional to 35,453.01, 48,924.75 and 20,139.45

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Solution

The fourth proportional to 35,453.01, 48,924.75 and 20,139.45 is: 27,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,453.01 : 48,924.75 = 20,139.45 : x
  2. Step 2: Convert to fraction form
    35,453.01/48,924.75 = 20,139.45/x
  3. Step 3: Cross multiply
    35,453.01x = 48,924.75 × 20,139.45
  4. Step 4: Simplify right side
    35,453.01x = 985,317,556.39
  5. Step 5: Solve for x
    x = 985,317,556.39/35,453.01
  6. Step 6: Final answer
    x = 27,792.21

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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.