Home / 55,556.76-76,668.54-30,407.64

Finding the Fourth Proportional to 55,556.76, 76,668.54 and 30,407.64

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Solution

The fourth proportional to 55,556.76, 76,668.54 and 30,407.64 is: 41,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,556.76 : 76,668.54 = 30,407.64 : x
  2. Step 2: Convert to fraction form
    55,556.76/76,668.54 = 30,407.64/x
  3. Step 3: Cross multiply
    55,556.76x = 76,668.54 × 30,407.64
  4. Step 4: Simplify right side
    55,556.76x = 2,331,309,363.65
  5. Step 5: Solve for x
    x = 2,331,309,363.65/55,556.76
  6. Step 6: Final answer
    x = 41,962.66

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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.