Home / 30,517.93-45,694.88-19,364.23

Finding the Fourth Proportional to 30,517.93, 45,694.88 and 19,364.23

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Solution

The fourth proportional to 30,517.93, 45,694.88 and 19,364.23 is: 28,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,517.93 : 45,694.88 = 19,364.23 : x
  2. Step 2: Convert to fraction form
    30,517.93/45,694.88 = 19,364.23/x
  3. Step 3: Cross multiply
    30,517.93x = 45,694.88 × 19,364.23
  4. Step 4: Simplify right side
    30,517.93x = 884,846,307.98
  5. Step 5: Solve for x
    x = 884,846,307.98/30,517.93
  6. Step 6: Final answer
    x = 28,994.31

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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.