Home / 51,128.07-70,556.17-28,466.57

Finding the Fourth Proportional to 51,128.07, 70,556.17 and 28,466.57

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Solution

The fourth proportional to 51,128.07, 70,556.17 and 28,466.57 is: 39,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,128.07 : 70,556.17 = 28,466.57 : x
  2. Step 2: Convert to fraction form
    51,128.07/70,556.17 = 28,466.57/x
  3. Step 3: Cross multiply
    51,128.07x = 70,556.17 × 28,466.57
  4. Step 4: Simplify right side
    51,128.07x = 2,008,492,152.24
  5. Step 5: Solve for x
    x = 2,008,492,152.24/51,128.07
  6. Step 6: Final answer
    x = 39,283.55

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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.