Home / 29,109.11-40,078.47-26,448.56

Finding the Fourth Proportional to 29,109.11, 40,078.47 and 26,448.56

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Solution

The fourth proportional to 29,109.11, 40,078.47 and 26,448.56 is: 36,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109.11 : 40,078.47 = 26,448.56 : x
  2. Step 2: Convert to fraction form
    29,109.11/40,078.47 = 26,448.56/x
  3. Step 3: Cross multiply
    29,109.11x = 40,078.47 × 26,448.56
  4. Step 4: Simplify right side
    29,109.11x = 1,060,017,818.50
  5. Step 5: Solve for x
    x = 1,060,017,818.50/29,109.11
  6. Step 6: Final answer
    x = 36,415.33

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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.