Home / 31,336.64-43,244.16-17,907.74

Finding the Fourth Proportional to 31,336.64, 43,244.16 and 17,907.74

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Solution

The fourth proportional to 31,336.64, 43,244.16 and 17,907.74 is: 24,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.64 : 43,244.16 = 17,907.74 : x
  2. Step 2: Convert to fraction form
    31,336.64/43,244.16 = 17,907.74/x
  3. Step 3: Cross multiply
    31,336.64x = 43,244.16 × 17,907.74
  4. Step 4: Simplify right side
    31,336.64x = 774,405,173.80
  5. Step 5: Solve for x
    x = 774,405,173.80/31,336.64
  6. Step 6: Final answer
    x = 24,712.45

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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.