Home / 43,695.64-65,543.58-28,901.80

Finding the Fourth Proportional to 43,695.64, 65,543.58 and 28,901.80

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Solution

The fourth proportional to 43,695.64, 65,543.58 and 28,901.80 is: 43,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,695.64 : 65,543.58 = 28,901.80 : x
  2. Step 2: Convert to fraction form
    43,695.64/65,543.58 = 28,901.80/x
  3. Step 3: Cross multiply
    43,695.64x = 65,543.58 × 28,901.80
  4. Step 4: Simplify right side
    43,695.64x = 1,894,327,440.44
  5. Step 5: Solve for x
    x = 1,894,327,440.44/43,695.64
  6. Step 6: Final answer
    x = 43,352.78

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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.