Home / 51,483.76-71,039.35-28,823.70

Finding the Fourth Proportional to 51,483.76, 71,039.35 and 28,823.70

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Solution

The fourth proportional to 51,483.76, 71,039.35 and 28,823.70 is: 39,772.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,483.76 : 71,039.35 = 28,823.70 : x
  2. Step 2: Convert to fraction form
    51,483.76/71,039.35 = 28,823.70/x
  3. Step 3: Cross multiply
    51,483.76x = 71,039.35 × 28,823.70
  4. Step 4: Simplify right side
    51,483.76x = 2,047,616,840.54
  5. Step 5: Solve for x
    x = 2,047,616,840.54/51,483.76
  6. Step 6: Final answer
    x = 39,772.09

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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.