Home / 29,129.40-40,170.84-19,054.68

Finding the Fourth Proportional to 29,129.40, 40,170.84 and 19,054.68

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Solution

The fourth proportional to 29,129.40, 40,170.84 and 19,054.68 is: 26,277.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129.40 : 40,170.84 = 19,054.68 : x
  2. Step 2: Convert to fraction form
    29,129.40/40,170.84 = 19,054.68/x
  3. Step 3: Cross multiply
    29,129.40x = 40,170.84 × 19,054.68
  4. Step 4: Simplify right side
    29,129.40x = 765,442,501.53
  5. Step 5: Solve for x
    x = 765,442,501.53/29,129.40
  6. Step 6: Final answer
    x = 26,277.32

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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.