Home / 36,512.29-54,768.93-12,818.89

Finding the Fourth Proportional to 36,512.29, 54,768.93 and 12,818.89

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Solution

The fourth proportional to 36,512.29, 54,768.93 and 12,818.89 is: 19,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,512.29 : 54,768.93 = 12,818.89 : x
  2. Step 2: Convert to fraction form
    36,512.29/54,768.93 = 12,818.89/x
  3. Step 3: Cross multiply
    36,512.29x = 54,768.93 × 12,818.89
  4. Step 4: Simplify right side
    36,512.29x = 702,076,889.09
  5. Step 5: Solve for x
    x = 702,076,889.09/36,512.29
  6. Step 6: Final answer
    x = 19,228.51

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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.