Home / 30,370.38-45,558.81-12,841.98

Finding the Fourth Proportional to 30,370.38, 45,558.81 and 12,841.98

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Solution

The fourth proportional to 30,370.38, 45,558.81 and 12,841.98 is: 19,264.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.38 : 45,558.81 = 12,841.98 : x
  2. Step 2: Convert to fraction form
    30,370.38/45,558.81 = 12,841.98/x
  3. Step 3: Cross multiply
    30,370.38x = 45,558.81 × 12,841.98
  4. Step 4: Simplify right side
    30,370.38x = 585,065,326.84
  5. Step 5: Solve for x
    x = 585,065,326.84/30,370.38
  6. Step 6: Final answer
    x = 19,264.34

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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.