Home / 35,989.44-49,655.34-20,879.10

Finding the Fourth Proportional to 35,989.44, 49,655.34 and 20,879.10

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Solution

The fourth proportional to 35,989.44, 49,655.34 and 20,879.10 is: 28,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,989.44 : 49,655.34 = 20,879.10 : x
  2. Step 2: Convert to fraction form
    35,989.44/49,655.34 = 20,879.10/x
  3. Step 3: Cross multiply
    35,989.44x = 49,655.34 × 20,879.10
  4. Step 4: Simplify right side
    35,989.44x = 1,036,758,809.39
  5. Step 5: Solve for x
    x = 1,036,758,809.39/35,989.44
  6. Step 6: Final answer
    x = 28,807.31

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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.