Home / 51,294.78-70,790.34-28,638.24

Finding the Fourth Proportional to 51,294.78, 70,790.34 and 28,638.24

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Solution

The fourth proportional to 51,294.78, 70,790.34 and 28,638.24 is: 39,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,294.78 : 70,790.34 = 28,638.24 : x
  2. Step 2: Convert to fraction form
    51,294.78/70,790.34 = 28,638.24/x
  3. Step 3: Cross multiply
    51,294.78x = 70,790.34 × 28,638.24
  4. Step 4: Simplify right side
    51,294.78x = 2,027,310,746.60
  5. Step 5: Solve for x
    x = 2,027,310,746.60/51,294.78
  6. Step 6: Final answer
    x = 39,522.75

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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.