Home / 40,347.75-55,679.90-22,683.75

Finding the Fourth Proportional to 40,347.75, 55,679.90 and 22,683.75

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Solution

The fourth proportional to 40,347.75, 55,679.90 and 22,683.75 is: 31,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,347.75 : 55,679.90 = 22,683.75 : x
  2. Step 2: Convert to fraction form
    40,347.75/55,679.90 = 22,683.75/x
  3. Step 3: Cross multiply
    40,347.75x = 55,679.90 × 22,683.75
  4. Step 4: Simplify right side
    40,347.75x = 1,263,028,818.21
  5. Step 5: Solve for x
    x = 1,263,028,818.21/40,347.75
  6. Step 6: Final answer
    x = 31,303.58

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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.