Home / 41,503.08-56,984.88-40,420.56

Finding the Fourth Proportional to 41,503.08, 56,984.88 and 40,420.56

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Solution

The fourth proportional to 41,503.08, 56,984.88 and 40,420.56 is: 55,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,503.08 : 56,984.88 = 40,420.56 : x
  2. Step 2: Convert to fraction form
    41,503.08/56,984.88 = 40,420.56/x
  3. Step 3: Cross multiply
    41,503.08x = 56,984.88 × 40,420.56
  4. Step 4: Simplify right side
    41,503.08x = 2,303,360,761.13
  5. Step 5: Solve for x
    x = 2,303,360,761.13/41,503.08
  6. Step 6: Final answer
    x = 55,498.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.