Home / 51,190.37-70,633.35-28,528.79

Finding the Fourth Proportional to 51,190.37, 70,633.35 and 28,528.79

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Solution

The fourth proportional to 51,190.37, 70,633.35 and 28,528.79 is: 39,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,190.37 : 70,633.35 = 28,528.79 : x
  2. Step 2: Convert to fraction form
    51,190.37/70,633.35 = 28,528.79/x
  3. Step 3: Cross multiply
    51,190.37x = 70,633.35 × 28,528.79
  4. Step 4: Simplify right side
    51,190.37x = 2,015,084,009.15
  5. Step 5: Solve for x
    x = 2,015,084,009.15/51,190.37
  6. Step 6: Final answer
    x = 39,364.51

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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.