Home / 43,646.20-65,469.30-40,730.20

Finding the Fourth Proportional to 43,646.20, 65,469.30 and 40,730.20

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Solution

The fourth proportional to 43,646.20, 65,469.30 and 40,730.20 is: 61,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,646.20 : 65,469.30 = 40,730.20 : x
  2. Step 2: Convert to fraction form
    43,646.20/65,469.30 = 40,730.20/x
  3. Step 3: Cross multiply
    43,646.20x = 65,469.30 × 40,730.20
  4. Step 4: Simplify right side
    43,646.20x = 2,666,577,682.86
  5. Step 5: Solve for x
    x = 2,666,577,682.86/43,646.20
  6. Step 6: Final answer
    x = 61,095.30

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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.