Home / 30,230.73-45,343.67-19,104.98

Finding the Fourth Proportional to 30,230.73, 45,343.67 and 19,104.98

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Solution

The fourth proportional to 30,230.73, 45,343.67 and 19,104.98 is: 28,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.73 : 45,343.67 = 19,104.98 : x
  2. Step 2: Convert to fraction form
    30,230.73/45,343.67 = 19,104.98/x
  3. Step 3: Cross multiply
    30,230.73x = 45,343.67 × 19,104.98
  4. Step 4: Simplify right side
    30,230.73x = 866,289,586.23
  5. Step 5: Solve for x
    x = 866,289,586.23/30,230.73
  6. Step 6: Final answer
    x = 28,655.93

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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.