Home / 43,461.36-65,206.08-20,103.12

Finding the Fourth Proportional to 43,461.36, 65,206.08 and 20,103.12

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Solution

The fourth proportional to 43,461.36, 65,206.08 and 20,103.12 is: 30,161.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,461.36 : 65,206.08 = 20,103.12 : x
  2. Step 2: Convert to fraction form
    43,461.36/65,206.08 = 20,103.12/x
  3. Step 3: Cross multiply
    43,461.36x = 65,206.08 × 20,103.12
  4. Step 4: Simplify right side
    43,461.36x = 1,310,845,650.97
  5. Step 5: Solve for x
    x = 1,310,845,650.97/43,461.36
  6. Step 6: Final answer
    x = 30,161.17

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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.