Home / 51,231.50-70,712.43-28,888.46

Finding the Fourth Proportional to 51,231.50, 70,712.43 and 28,888.46

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Solution

The fourth proportional to 51,231.50, 70,712.43 and 28,888.46 is: 39,873.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,231.50 : 70,712.43 = 28,888.46 : x
  2. Step 2: Convert to fraction form
    51,231.50/70,712.43 = 28,888.46/x
  3. Step 3: Cross multiply
    51,231.50x = 70,712.43 × 28,888.46
  4. Step 4: Simplify right side
    51,231.50x = 2,042,773,205.56
  5. Step 5: Solve for x
    x = 2,042,773,205.56/51,231.50
  6. Step 6: Final answer
    x = 39,873.38

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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.