Home / 30,886.28-46,276.48-20,735.65

Finding the Fourth Proportional to 30,886.28, 46,276.48 and 20,735.65

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Solution

The fourth proportional to 30,886.28, 46,276.48 and 20,735.65 is: 31,067.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886.28 : 46,276.48 = 20,735.65 : x
  2. Step 2: Convert to fraction form
    30,886.28/46,276.48 = 20,735.65/x
  3. Step 3: Cross multiply
    30,886.28x = 46,276.48 × 20,735.65
  4. Step 4: Simplify right side
    30,886.28x = 959,572,791.72
  5. Step 5: Solve for x
    x = 959,572,791.72/30,886.28
  6. Step 6: Final answer
    x = 31,067.93

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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.