Home / 30,847.49-46,290.28-12,124.25

Finding the Fourth Proportional to 30,847.49, 46,290.28 and 12,124.25

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Solution

The fourth proportional to 30,847.49, 46,290.28 and 12,124.25 is: 18,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.49 : 46,290.28 = 12,124.25 : x
  2. Step 2: Convert to fraction form
    30,847.49/46,290.28 = 12,124.25/x
  3. Step 3: Cross multiply
    30,847.49x = 46,290.28 × 12,124.25
  4. Step 4: Simplify right side
    30,847.49x = 561,234,665.53
  5. Step 5: Solve for x
    x = 561,234,665.53/30,847.49
  6. Step 6: Final answer
    x = 18,193.85

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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.