Home / 29,704.77-40,959-18,935.28

Finding the Fourth Proportional to 29,704.77, 40,959 and 18,935.28

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Solution

The fourth proportional to 29,704.77, 40,959 and 18,935.28 is: 26,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,704.77 : 40,959 = 18,935.28 : x
  2. Step 2: Convert to fraction form
    29,704.77/40,959 = 18,935.28/x
  3. Step 3: Cross multiply
    29,704.77x = 40,959 × 18,935.28
  4. Step 4: Simplify right side
    29,704.77x = 775,570,133.52
  5. Step 5: Solve for x
    x = 775,570,133.52/29,704.77
  6. Step 6: Final answer
    x = 26,109.28

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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.