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Finding the Fourth Proportional to 45,548.60, 68,322.60 and 21,202.76

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Solution

The fourth proportional to 45,548.60, 68,322.60 and 21,202.76 is: 31,804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,548.60 : 68,322.60 = 21,202.76 : x
  2. Step 2: Convert to fraction form
    45,548.60/68,322.60 = 21,202.76/x
  3. Step 3: Cross multiply
    45,548.60x = 68,322.60 × 21,202.76
  4. Step 4: Simplify right side
    45,548.60x = 1,448,627,690.38
  5. Step 5: Solve for x
    x = 1,448,627,690.38/45,548.60
  6. Step 6: Final answer
    x = 31,804.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.