Home / 30,280.76-45,427.94-9,222.46

Finding the Fourth Proportional to 30,280.76, 45,427.94 and 9,222.46

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Solution

The fourth proportional to 30,280.76, 45,427.94 and 9,222.46 is: 13,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.76 : 45,427.94 = 9,222.46 : x
  2. Step 2: Convert to fraction form
    30,280.76/45,427.94 = 9,222.46/x
  3. Step 3: Cross multiply
    30,280.76x = 45,427.94 × 9,222.46
  4. Step 4: Simplify right side
    30,280.76x = 418,957,359.53
  5. Step 5: Solve for x
    x = 418,957,359.53/30,280.76
  6. Step 6: Final answer
    x = 13,835.76

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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.