Home / 39,895.58-55,079.52-35,467.32

Finding the Fourth Proportional to 39,895.58, 55,079.52 and 35,467.32

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Solution

The fourth proportional to 39,895.58, 55,079.52 and 35,467.32 is: 48,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,895.58 : 55,079.52 = 35,467.32 : x
  2. Step 2: Convert to fraction form
    39,895.58/55,079.52 = 35,467.32/x
  3. Step 3: Cross multiply
    39,895.58x = 55,079.52 × 35,467.32
  4. Step 4: Simplify right side
    39,895.58x = 1,953,522,961.29
  5. Step 5: Solve for x
    x = 1,953,522,961.29/39,895.58
  6. Step 6: Final answer
    x = 48,965.90

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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.