Home / 30,366.98-45,559.30-12,594.38

Finding the Fourth Proportional to 30,366.98, 45,559.30 and 12,594.38

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Solution

The fourth proportional to 30,366.98, 45,559.30 and 12,594.38 is: 18,895.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.98 : 45,559.30 = 12,594.38 : x
  2. Step 2: Convert to fraction form
    30,366.98/45,559.30 = 12,594.38/x
  3. Step 3: Cross multiply
    30,366.98x = 45,559.30 × 12,594.38
  4. Step 4: Simplify right side
    30,366.98x = 573,791,136.73
  5. Step 5: Solve for x
    x = 573,791,136.73/30,366.98
  6. Step 6: Final answer
    x = 18,895.23

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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.