Home / 36,461.21-50,315.55-21,150.45

Finding the Fourth Proportional to 36,461.21, 50,315.55 and 21,150.45

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Solution

The fourth proportional to 36,461.21, 50,315.55 and 21,150.45 is: 29,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,461.21 : 50,315.55 = 21,150.45 : x
  2. Step 2: Convert to fraction form
    36,461.21/50,315.55 = 21,150.45/x
  3. Step 3: Cross multiply
    36,461.21x = 50,315.55 × 21,150.45
  4. Step 4: Simplify right side
    36,461.21x = 1,064,196,524.50
  5. Step 5: Solve for x
    x = 1,064,196,524.50/36,461.21
  6. Step 6: Final answer
    x = 29,187.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.