Home / 30,849.49-46,293.28-12,126.25

Finding the Fourth Proportional to 30,849.49, 46,293.28 and 12,126.25

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Solution

The fourth proportional to 30,849.49, 46,293.28 and 12,126.25 is: 18,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,849.49 : 46,293.28 = 12,126.25 : x
  2. Step 2: Convert to fraction form
    30,849.49/46,293.28 = 12,126.25/x
  3. Step 3: Cross multiply
    30,849.49x = 46,293.28 × 12,126.25
  4. Step 4: Simplify right side
    30,849.49x = 561,363,886.60
  5. Step 5: Solve for x
    x = 561,363,886.60/30,849.49
  6. Step 6: Final answer
    x = 18,196.86

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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.