Home / 43,604.20-65,406.30-42,308.20

Finding the Fourth Proportional to 43,604.20, 65,406.30 and 42,308.20

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Solution

The fourth proportional to 43,604.20, 65,406.30 and 42,308.20 is: 63,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,604.20 : 65,406.30 = 42,308.20 : x
  2. Step 2: Convert to fraction form
    43,604.20/65,406.30 = 42,308.20/x
  3. Step 3: Cross multiply
    43,604.20x = 65,406.30 × 42,308.20
  4. Step 4: Simplify right side
    43,604.20x = 2,767,222,821.66
  5. Step 5: Solve for x
    x = 2,767,222,821.66/43,604.20
  6. Step 6: Final answer
    x = 63,462.30

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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.