Home / 29,279.06-40,405.32-16,358.36

Finding the Fourth Proportional to 29,279.06, 40,405.32 and 16,358.36

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Solution

The fourth proportional to 29,279.06, 40,405.32 and 16,358.36 is: 22,574.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,279.06 : 40,405.32 = 16,358.36 : x
  2. Step 2: Convert to fraction form
    29,279.06/40,405.32 = 16,358.36/x
  3. Step 3: Cross multiply
    29,279.06x = 40,405.32 × 16,358.36
  4. Step 4: Simplify right side
    29,279.06x = 660,964,770.48
  5. Step 5: Solve for x
    x = 660,964,770.48/29,279.06
  6. Step 6: Final answer
    x = 22,574.66

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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.