Home / 51,283.23-70,774.41-28,626.63

Finding the Fourth Proportional to 51,283.23, 70,774.41 and 28,626.63

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Solution

The fourth proportional to 51,283.23, 70,774.41 and 28,626.63 is: 39,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,283.23 : 70,774.41 = 28,626.63 : x
  2. Step 2: Convert to fraction form
    51,283.23/70,774.41 = 28,626.63/x
  3. Step 3: Cross multiply
    51,283.23x = 70,774.41 × 28,626.63
  4. Step 4: Simplify right side
    51,283.23x = 2,026,032,848.54
  5. Step 5: Solve for x
    x = 2,026,032,848.54/51,283.23
  6. Step 6: Final answer
    x = 39,506.73

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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.