Home / 55,007.34-75,907.83-31,135.32

Finding the Fourth Proportional to 55,007.34, 75,907.83 and 31,135.32

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Solution

The fourth proportional to 55,007.34, 75,907.83 and 31,135.32 is: 42,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007.34 : 75,907.83 = 31,135.32 : x
  2. Step 2: Convert to fraction form
    55,007.34/75,907.83 = 31,135.32/x
  3. Step 3: Cross multiply
    55,007.34x = 75,907.83 × 31,135.32
  4. Step 4: Simplify right side
    55,007.34x = 2,363,414,577.56
  5. Step 5: Solve for x
    x = 2,363,414,577.56/55,007.34
  6. Step 6: Final answer
    x = 42,965.44

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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.