Home / 35,369.51-48,816.86-20,272.29

Finding the Fourth Proportional to 35,369.51, 48,816.86 and 20,272.29

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Solution

The fourth proportional to 35,369.51, 48,816.86 and 20,272.29 is: 27,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,369.51 : 48,816.86 = 20,272.29 : x
  2. Step 2: Convert to fraction form
    35,369.51/48,816.86 = 20,272.29/x
  3. Step 3: Cross multiply
    35,369.51x = 48,816.86 × 20,272.29
  4. Step 4: Simplify right side
    35,369.51x = 989,629,647.01
  5. Step 5: Solve for x
    x = 989,629,647.01/35,369.51
  6. Step 6: Final answer
    x = 27,979.74

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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.