Home / 30,514.42-45,665.47-18,663.01

Finding the Fourth Proportional to 30,514.42, 45,665.47 and 18,663.01

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Solution

The fourth proportional to 30,514.42, 45,665.47 and 18,663.01 is: 27,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,514.42 : 45,665.47 = 18,663.01 : x
  2. Step 2: Convert to fraction form
    30,514.42/45,665.47 = 18,663.01/x
  3. Step 3: Cross multiply
    30,514.42x = 45,665.47 × 18,663.01
  4. Step 4: Simplify right side
    30,514.42x = 852,255,032.43
  5. Step 5: Solve for x
    x = 852,255,032.43/30,514.42
  6. Step 6: Final answer
    x = 27,929.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.