Home / 29,075.97-40,130.08-17,138.61

Finding the Fourth Proportional to 29,075.97, 40,130.08 and 17,138.61

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Solution

The fourth proportional to 29,075.97, 40,130.08 and 17,138.61 is: 23,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,075.97 : 40,130.08 = 17,138.61 : x
  2. Step 2: Convert to fraction form
    29,075.97/40,130.08 = 17,138.61/x
  3. Step 3: Cross multiply
    29,075.97x = 40,130.08 × 17,138.61
  4. Step 4: Simplify right side
    29,075.97x = 687,773,790.39
  5. Step 5: Solve for x
    x = 687,773,790.39/29,075.97
  6. Step 6: Final answer
    x = 23,654.37

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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.