Home / 29,164.76-40,225.88-21,994.98

Finding the Fourth Proportional to 29,164.76, 40,225.88 and 21,994.98

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Solution

The fourth proportional to 29,164.76, 40,225.88 and 21,994.98 is: 30,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,164.76 : 40,225.88 = 21,994.98 : x
  2. Step 2: Convert to fraction form
    29,164.76/40,225.88 = 21,994.98/x
  3. Step 3: Cross multiply
    29,164.76x = 40,225.88 × 21,994.98
  4. Step 4: Simplify right side
    29,164.76x = 884,767,330.22
  5. Step 5: Solve for x
    x = 884,767,330.22/29,164.76
  6. Step 6: Final answer
    x = 30,336.86

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Double scale
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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.