Home / 50,969.06-70,334.90-28,309.51

Finding the Fourth Proportional to 50,969.06, 70,334.90 and 28,309.51

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Solution

The fourth proportional to 50,969.06, 70,334.90 and 28,309.51 is: 39,065.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,969.06 : 70,334.90 = 28,309.51 : x
  2. Step 2: Convert to fraction form
    50,969.06/70,334.90 = 28,309.51/x
  3. Step 3: Cross multiply
    50,969.06x = 70,334.90 × 28,309.51
  4. Step 4: Simplify right side
    50,969.06x = 1,991,146,203.22
  5. Step 5: Solve for x
    x = 1,991,146,203.22/50,969.06
  6. Step 6: Final answer
    x = 39,065.79

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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.