Home / 51,176.51-70,622.52-28,515.41

Finding the Fourth Proportional to 51,176.51, 70,622.52 and 28,515.41

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Solution

The fourth proportional to 51,176.51, 70,622.52 and 28,515.41 is: 39,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.51 : 70,622.52 = 28,515.41 : x
  2. Step 2: Convert to fraction form
    51,176.51/70,622.52 = 28,515.41/x
  3. Step 3: Cross multiply
    51,176.51x = 70,622.52 × 28,515.41
  4. Step 4: Simplify right side
    51,176.51x = 2,013,830,113.03
  5. Step 5: Solve for x
    x = 2,013,830,113.03/51,176.51
  6. Step 6: Final answer
    x = 39,350.67

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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.