Home / 29,074.72-40,128.35-17,137.36

Finding the Fourth Proportional to 29,074.72, 40,128.35 and 17,137.36

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Solution

The fourth proportional to 29,074.72, 40,128.35 and 17,137.36 is: 23,652.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,074.72 : 40,128.35 = 17,137.36 : x
  2. Step 2: Convert to fraction form
    29,074.72/40,128.35 = 17,137.36/x
  3. Step 3: Cross multiply
    29,074.72x = 40,128.35 × 17,137.36
  4. Step 4: Simplify right side
    29,074.72x = 687,693,980.16
  5. Step 5: Solve for x
    x = 687,693,980.16/29,074.72
  6. Step 6: Final answer
    x = 23,652.64

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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.