Home / 40,078.37-60,138.48-29,075.86

Finding the Fourth Proportional to 40,078.37, 60,138.48 and 29,075.86

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Solution

The fourth proportional to 40,078.37, 60,138.48 and 29,075.86 is: 43,628.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,078.37 : 60,138.48 = 29,075.86 : x
  2. Step 2: Convert to fraction form
    40,078.37/60,138.48 = 29,075.86/x
  3. Step 3: Cross multiply
    40,078.37x = 60,138.48 × 29,075.86
  4. Step 4: Simplify right side
    40,078.37x = 1,748,577,963.97
  5. Step 5: Solve for x
    x = 1,748,577,963.97/40,078.37
  6. Step 6: Final answer
    x = 43,628.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.