Home / 51,177.58-70,622.94-28,515.40

Finding the Fourth Proportional to 51,177.58, 70,622.94 and 28,515.40

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Solution

The fourth proportional to 51,177.58, 70,622.94 and 28,515.40 is: 39,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,177.58 : 70,622.94 = 28,515.40 : x
  2. Step 2: Convert to fraction form
    51,177.58/70,622.94 = 28,515.40/x
  3. Step 3: Cross multiply
    51,177.58x = 70,622.94 × 28,515.40
  4. Step 4: Simplify right side
    51,177.58x = 2,013,841,383.28
  5. Step 5: Solve for x
    x = 2,013,841,383.28/51,177.58
  6. Step 6: Final answer
    x = 39,350.07

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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.