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Finding the Fourth Proportional to 44,457, 66,700.98 and 22,265.40

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Solution

The fourth proportional to 44,457, 66,700.98 and 22,265.40 is: 33,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,457 : 66,700.98 = 22,265.40 : x
  2. Step 2: Convert to fraction form
    44,457/66,700.98 = 22,265.40/x
  3. Step 3: Cross multiply
    44,457x = 66,700.98 × 22,265.40
  4. Step 4: Simplify right side
    44,457x = 1,485,124,000.09
  5. Step 5: Solve for x
    x = 1,485,124,000.09/44,457
  6. Step 6: Final answer
    x = 33,405.85

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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.