Home / 40,157.17-55,415.95-23,161.44

Finding the Fourth Proportional to 40,157.17, 55,415.95 and 23,161.44

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Solution

The fourth proportional to 40,157.17, 55,415.95 and 23,161.44 is: 31,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.17 : 55,415.95 = 23,161.44 : x
  2. Step 2: Convert to fraction form
    40,157.17/55,415.95 = 23,161.44/x
  3. Step 3: Cross multiply
    40,157.17x = 55,415.95 × 23,161.44
  4. Step 4: Simplify right side
    40,157.17x = 1,283,513,350.87
  5. Step 5: Solve for x
    x = 1,283,513,350.87/40,157.17
  6. Step 6: Final answer
    x = 31,962.25

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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.