Home / 40,765.45-56,208.30-37,742.53

Finding the Fourth Proportional to 40,765.45, 56,208.30 and 37,742.53

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Solution

The fourth proportional to 40,765.45, 56,208.30 and 37,742.53 is: 52,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,765.45 : 56,208.30 = 37,742.53 : x
  2. Step 2: Convert to fraction form
    40,765.45/56,208.30 = 37,742.53/x
  3. Step 3: Cross multiply
    40,765.45x = 56,208.30 × 37,742.53
  4. Step 4: Simplify right side
    40,765.45x = 2,121,443,449.00
  5. Step 5: Solve for x
    x = 2,121,443,449.00/40,765.45
  6. Step 6: Final answer
    x = 52,040.23

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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.