Home / 29,065.05-40,109.42-16,317.91

Finding the Fourth Proportional to 29,065.05, 40,109.42 and 16,317.91

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Solution

The fourth proportional to 29,065.05, 40,109.42 and 16,317.91 is: 22,518.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,065.05 : 40,109.42 = 16,317.91 : x
  2. Step 2: Convert to fraction form
    29,065.05/40,109.42 = 16,317.91/x
  3. Step 3: Cross multiply
    29,065.05x = 40,109.42 × 16,317.91
  4. Step 4: Simplify right side
    29,065.05x = 654,501,994.72
  5. Step 5: Solve for x
    x = 654,501,994.72/29,065.05
  6. Step 6: Final answer
    x = 22,518.52

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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.