Home / 51,127.75-70,556.12-28,466.15

Finding the Fourth Proportional to 51,127.75, 70,556.12 and 28,466.15

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Solution

The fourth proportional to 51,127.75, 70,556.12 and 28,466.15 is: 39,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,127.75 : 70,556.12 = 28,466.15 : x
  2. Step 2: Convert to fraction form
    51,127.75/70,556.12 = 28,466.15/x
  3. Step 3: Cross multiply
    51,127.75x = 70,556.12 × 28,466.15
  4. Step 4: Simplify right side
    51,127.75x = 2,008,461,129.40
  5. Step 5: Solve for x
    x = 2,008,461,129.40/51,127.75
  6. Step 6: Final answer
    x = 39,283.19

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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.