Home / 30,921.44-46,320.33-14,258.66

Finding the Fourth Proportional to 30,921.44, 46,320.33 and 14,258.66

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Solution

The fourth proportional to 30,921.44, 46,320.33 and 14,258.66 is: 21,359.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921.44 : 46,320.33 = 14,258.66 : x
  2. Step 2: Convert to fraction form
    30,921.44/46,320.33 = 14,258.66/x
  3. Step 3: Cross multiply
    30,921.44x = 46,320.33 × 14,258.66
  4. Step 4: Simplify right side
    30,921.44x = 660,465,836.56
  5. Step 5: Solve for x
    x = 660,465,836.56/30,921.44
  6. Step 6: Final answer
    x = 21,359.48

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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.