Home / 50,485.20-69,663.95-28,969.23

Finding the Fourth Proportional to 50,485.20, 69,663.95 and 28,969.23

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Solution

The fourth proportional to 50,485.20, 69,663.95 and 28,969.23 is: 39,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,485.20 : 69,663.95 = 28,969.23 : x
  2. Step 2: Convert to fraction form
    50,485.20/69,663.95 = 28,969.23/x
  3. Step 3: Cross multiply
    50,485.20x = 69,663.95 × 28,969.23
  4. Step 4: Simplify right side
    50,485.20x = 2,018,110,845.41
  5. Step 5: Solve for x
    x = 2,018,110,845.41/50,485.20
  6. Step 6: Final answer
    x = 39,974.31

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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.