Home / 43,308.50-64,913.18-19,634.08

Finding the Fourth Proportional to 43,308.50, 64,913.18 and 19,634.08

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Solution

The fourth proportional to 43,308.50, 64,913.18 and 19,634.08 is: 29,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,308.50 : 64,913.18 = 19,634.08 : x
  2. Step 2: Convert to fraction form
    43,308.50/64,913.18 = 19,634.08/x
  3. Step 3: Cross multiply
    43,308.50x = 64,913.18 × 19,634.08
  4. Step 4: Simplify right side
    43,308.50x = 1,274,510,569.17
  5. Step 5: Solve for x
    x = 1,274,510,569.17/43,308.50
  6. Step 6: Final answer
    x = 29,428.65

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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.