Home / 42,939.57-64,398.87-33,556.32

Finding the Fourth Proportional to 42,939.57, 64,398.87 and 33,556.32

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Solution

The fourth proportional to 42,939.57, 64,398.87 and 33,556.32 is: 50,326.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,939.57 : 64,398.87 = 33,556.32 : x
  2. Step 2: Convert to fraction form
    42,939.57/64,398.87 = 33,556.32/x
  3. Step 3: Cross multiply
    42,939.57x = 64,398.87 × 33,556.32
  4. Step 4: Simplify right side
    42,939.57x = 2,160,989,089.36
  5. Step 5: Solve for x
    x = 2,160,989,089.36/42,939.57
  6. Step 6: Final answer
    x = 50,326.29

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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.