Home / 51,357.44-70,872.42-28,696.76

Finding the Fourth Proportional to 51,357.44, 70,872.42 and 28,696.76

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Solution

The fourth proportional to 51,357.44, 70,872.42 and 28,696.76 is: 39,601.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,357.44 : 70,872.42 = 28,696.76 : x
  2. Step 2: Convert to fraction form
    51,357.44/70,872.42 = 28,696.76/x
  3. Step 3: Cross multiply
    51,357.44x = 70,872.42 × 28,696.76
  4. Step 4: Simplify right side
    51,357.44x = 2,033,808,827.36
  5. Step 5: Solve for x
    x = 2,033,808,827.36/51,357.44
  6. Step 6: Final answer
    x = 39,601.06

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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.