Home / 30,717.18-46,067.56-18,944.28

Finding the Fourth Proportional to 30,717.18, 46,067.56 and 18,944.28

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Solution

The fourth proportional to 30,717.18, 46,067.56 and 18,944.28 is: 28,411.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,717.18 : 46,067.56 = 18,944.28 : x
  2. Step 2: Convert to fraction form
    30,717.18/46,067.56 = 18,944.28/x
  3. Step 3: Cross multiply
    30,717.18x = 46,067.56 × 18,944.28
  4. Step 4: Simplify right side
    30,717.18x = 872,716,708.20
  5. Step 5: Solve for x
    x = 872,716,708.20/30,717.18
  6. Step 6: Final answer
    x = 28,411.36

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1.5x scale

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.