Home / 35,418.44-53,110.71-20,631.57

Finding the Fourth Proportional to 35,418.44, 53,110.71 and 20,631.57

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Solution

The fourth proportional to 35,418.44, 53,110.71 and 20,631.57 is: 30,937.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.44 : 53,110.71 = 20,631.57 : x
  2. Step 2: Convert to fraction form
    35,418.44/53,110.71 = 20,631.57/x
  3. Step 3: Cross multiply
    35,418.44x = 53,110.71 × 20,631.57
  4. Step 4: Simplify right side
    35,418.44x = 1,095,757,331.11
  5. Step 5: Solve for x
    x = 1,095,757,331.11/35,418.44
  6. Step 6: Final answer
    x = 30,937.49

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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.