Home / 40,150.42-55,415.34-23,165.63

Finding the Fourth Proportional to 40,150.42, 55,415.34 and 23,165.63

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Solution

The fourth proportional to 40,150.42, 55,415.34 and 23,165.63 is: 31,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,150.42 : 55,415.34 = 23,165.63 : x
  2. Step 2: Convert to fraction form
    40,150.42/55,415.34 = 23,165.63/x
  3. Step 3: Cross multiply
    40,150.42x = 55,415.34 × 23,165.63
  4. Step 4: Simplify right side
    40,150.42x = 1,283,731,193.50
  5. Step 5: Solve for x
    x = 1,283,731,193.50/40,150.42
  6. Step 6: Final answer
    x = 31,973.05

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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.