Home / 51,236.30-70,706.48-28,576.77

Finding the Fourth Proportional to 51,236.30, 70,706.48 and 28,576.77

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Solution

The fourth proportional to 51,236.30, 70,706.48 and 28,576.77 is: 39,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,236.30 : 70,706.48 = 28,576.77 : x
  2. Step 2: Convert to fraction form
    51,236.30/70,706.48 = 28,576.77/x
  3. Step 3: Cross multiply
    51,236.30x = 70,706.48 × 28,576.77
  4. Step 4: Simplify right side
    51,236.30x = 2,020,562,673.59
  5. Step 5: Solve for x
    x = 2,020,562,673.59/51,236.30
  6. Step 6: Final answer
    x = 39,436.16

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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.