Home / 30,471.86-41,963.96-28,573.26

Finding the Fourth Proportional to 30,471.86, 41,963.96 and 28,573.26

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Solution

The fourth proportional to 30,471.86, 41,963.96 and 28,573.26 is: 39,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,471.86 : 41,963.96 = 28,573.26 : x
  2. Step 2: Convert to fraction form
    30,471.86/41,963.96 = 28,573.26/x
  3. Step 3: Cross multiply
    30,471.86x = 41,963.96 × 28,573.26
  4. Step 4: Simplify right side
    30,471.86x = 1,199,046,996.84
  5. Step 5: Solve for x
    x = 1,199,046,996.84/30,471.86
  6. Step 6: Final answer
    x = 39,349.33

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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.