Home / 35,701.78-53,501.36-20,086.42

Finding the Fourth Proportional to 35,701.78, 53,501.36 and 20,086.42

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Solution

The fourth proportional to 35,701.78, 53,501.36 and 20,086.42 is: 30,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,701.78 : 53,501.36 = 20,086.42 : x
  2. Step 2: Convert to fraction form
    35,701.78/53,501.36 = 20,086.42/x
  3. Step 3: Cross multiply
    35,701.78x = 53,501.36 × 20,086.42
  4. Step 4: Simplify right side
    35,701.78x = 1,074,650,520.02
  5. Step 5: Solve for x
    x = 1,074,650,520.02/35,701.78
  6. Step 6: Final answer
    x = 30,100.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.