Home / 51,230.37-70,698.22-28,570.80

Finding the Fourth Proportional to 51,230.37, 70,698.22 and 28,570.80

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Solution

The fourth proportional to 51,230.37, 70,698.22 and 28,570.80 is: 39,427.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,230.37 : 70,698.22 = 28,570.80 : x
  2. Step 2: Convert to fraction form
    51,230.37/70,698.22 = 28,570.80/x
  3. Step 3: Cross multiply
    51,230.37x = 70,698.22 × 28,570.80
  4. Step 4: Simplify right side
    51,230.37x = 2,019,904,703.98
  5. Step 5: Solve for x
    x = 2,019,904,703.98/51,230.37
  6. Step 6: Final answer
    x = 39,427.88

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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.