Home / 51,240.03-70,711.64-28,580.46

Finding the Fourth Proportional to 51,240.03, 70,711.64 and 28,580.46

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Solution

The fourth proportional to 51,240.03, 70,711.64 and 28,580.46 is: 39,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,240.03 : 70,711.64 = 28,580.46 : x
  2. Step 2: Convert to fraction form
    51,240.03/70,711.64 = 28,580.46/x
  3. Step 3: Cross multiply
    51,240.03x = 70,711.64 × 28,580.46
  4. Step 4: Simplify right side
    51,240.03x = 2,020,971,198.55
  5. Step 5: Solve for x
    x = 2,020,971,198.55/51,240.03
  6. Step 6: Final answer
    x = 39,441.26

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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.