Home / 35,119.36-48,465.48-20,969.56

Finding the Fourth Proportional to 35,119.36, 48,465.48 and 20,969.56

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Solution

The fourth proportional to 35,119.36, 48,465.48 and 20,969.56 is: 28,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,119.36 : 48,465.48 = 20,969.56 : x
  2. Step 2: Convert to fraction form
    35,119.36/48,465.48 = 20,969.56/x
  3. Step 3: Cross multiply
    35,119.36x = 48,465.48 × 20,969.56
  4. Step 4: Simplify right side
    35,119.36x = 1,016,299,790.79
  5. Step 5: Solve for x
    x = 1,016,299,790.79/35,119.36
  6. Step 6: Final answer
    x = 28,938.45

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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.