Home / 35,087.36-52,631.44-20,287.30

Finding the Fourth Proportional to 35,087.36, 52,631.44 and 20,287.30

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Solution

The fourth proportional to 35,087.36, 52,631.44 and 20,287.30 is: 30,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,087.36 : 52,631.44 = 20,287.30 : x
  2. Step 2: Convert to fraction form
    35,087.36/52,631.44 = 20,287.30/x
  3. Step 3: Cross multiply
    35,087.36x = 52,631.44 × 20,287.30
  4. Step 4: Simplify right side
    35,087.36x = 1,067,749,812.71
  5. Step 5: Solve for x
    x = 1,067,749,812.71/35,087.36
  6. Step 6: Final answer
    x = 30,431.18

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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.