Home / 43,604.20-65,406.30-28,829.80

Finding the Fourth Proportional to 43,604.20, 65,406.30 and 28,829.80

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Solution

The fourth proportional to 43,604.20, 65,406.30 and 28,829.80 is: 43,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,604.20 : 65,406.30 = 28,829.80 : x
  2. Step 2: Convert to fraction form
    43,604.20/65,406.30 = 28,829.80/x
  3. Step 3: Cross multiply
    43,604.20x = 65,406.30 × 28,829.80
  4. Step 4: Simplify right side
    43,604.20x = 1,885,650,547.74
  5. Step 5: Solve for x
    x = 1,885,650,547.74/43,604.20
  6. Step 6: Final answer
    x = 43,244.70

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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.