Home / 29,668.14-40,955.40-18,927.48

Finding the Fourth Proportional to 29,668.14, 40,955.40 and 18,927.48

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Solution

The fourth proportional to 29,668.14, 40,955.40 and 18,927.48 is: 26,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,668.14 : 40,955.40 = 18,927.48 : x
  2. Step 2: Convert to fraction form
    29,668.14/40,955.40 = 18,927.48/x
  3. Step 3: Cross multiply
    29,668.14x = 40,955.40 × 18,927.48
  4. Step 4: Simplify right side
    29,668.14x = 775,182,514.39
  5. Step 5: Solve for x
    x = 775,182,514.39/29,668.14
  6. Step 6: Final answer
    x = 26,128.45

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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.