Home / 40,879.36-56,378.39-26,525.05

Finding the Fourth Proportional to 40,879.36, 56,378.39 and 26,525.05

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Solution

The fourth proportional to 40,879.36, 56,378.39 and 26,525.05 is: 36,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,879.36 : 56,378.39 = 26,525.05 : x
  2. Step 2: Convert to fraction form
    40,879.36/56,378.39 = 26,525.05/x
  3. Step 3: Cross multiply
    40,879.36x = 56,378.39 × 26,525.05
  4. Step 4: Simplify right side
    40,879.36x = 1,495,439,613.67
  5. Step 5: Solve for x
    x = 1,495,439,613.67/40,879.36
  6. Step 6: Final answer
    x = 36,581.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.