Home / 51,128.57-70,556.86-28,467.07

Finding the Fourth Proportional to 51,128.57, 70,556.86 and 28,467.07

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Solution

The fourth proportional to 51,128.57, 70,556.86 and 28,467.07 is: 39,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,128.57 : 70,556.86 = 28,467.07 : x
  2. Step 2: Convert to fraction form
    51,128.57/70,556.86 = 28,467.07/x
  3. Step 3: Cross multiply
    51,128.57x = 70,556.86 × 28,467.07
  4. Step 4: Simplify right side
    51,128.57x = 2,008,547,072.60
  5. Step 5: Solve for x
    x = 2,008,547,072.60/51,128.57
  6. Step 6: Final answer
    x = 39,284.24

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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.