Home / 31,338.63-46,994.07-14,685.21

Finding the Fourth Proportional to 31,338.63, 46,994.07 and 14,685.21

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Solution

The fourth proportional to 31,338.63, 46,994.07 and 14,685.21 is: 22,021.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,338.63 : 46,994.07 = 14,685.21 : x
  2. Step 2: Convert to fraction form
    31,338.63/46,994.07 = 14,685.21/x
  3. Step 3: Cross multiply
    31,338.63x = 46,994.07 × 14,685.21
  4. Step 4: Simplify right side
    31,338.63x = 690,117,786.70
  5. Step 5: Solve for x
    x = 690,117,786.70/31,338.63
  6. Step 6: Final answer
    x = 22,021.31

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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.