Home / 45,364.49-68,039.03-13,766.93

Finding the Fourth Proportional to 45,364.49, 68,039.03 and 13,766.93

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Solution

The fourth proportional to 45,364.49, 68,039.03 and 13,766.93 is: 20,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,364.49 : 68,039.03 = 13,766.93 : x
  2. Step 2: Convert to fraction form
    45,364.49/68,039.03 = 13,766.93/x
  3. Step 3: Cross multiply
    45,364.49x = 68,039.03 × 13,766.93
  4. Step 4: Simplify right side
    45,364.49x = 936,688,154.25
  5. Step 5: Solve for x
    x = 936,688,154.25/45,364.49
  6. Step 6: Final answer
    x = 20,648.05

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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.