Home / 45,895.21-63,284.79-31,723.45

Finding the Fourth Proportional to 45,895.21, 63,284.79 and 31,723.45

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Solution

The fourth proportional to 45,895.21, 63,284.79 and 31,723.45 is: 43,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,895.21 : 63,284.79 = 31,723.45 : x
  2. Step 2: Convert to fraction form
    45,895.21/63,284.79 = 31,723.45/x
  3. Step 3: Cross multiply
    45,895.21x = 63,284.79 × 31,723.45
  4. Step 4: Simplify right side
    45,895.21x = 2,007,611,832.08
  5. Step 5: Solve for x
    x = 2,007,611,832.08/45,895.21
  6. Step 6: Final answer
    x = 43,743.39

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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.