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Finding the Fourth Proportional to 39,451.01, 54,443.70 and 21,547.08

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Solution

The fourth proportional to 39,451.01, 54,443.70 and 21,547.08 is: 29,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,451.01 : 54,443.70 = 21,547.08 : x
  2. Step 2: Convert to fraction form
    39,451.01/54,443.70 = 21,547.08/x
  3. Step 3: Cross multiply
    39,451.01x = 54,443.70 × 21,547.08
  4. Step 4: Simplify right side
    39,451.01x = 1,173,102,759.40
  5. Step 5: Solve for x
    x = 1,173,102,759.40/39,451.01
  6. Step 6: Final answer
    x = 29,735.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.