Home / 47,628.38-71,437.53-19,551.40

Finding the Fourth Proportional to 47,628.38, 71,437.53 and 19,551.40

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Solution

The fourth proportional to 47,628.38, 71,437.53 and 19,551.40 is: 29,325.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,628.38 : 71,437.53 = 19,551.40 : x
  2. Step 2: Convert to fraction form
    47,628.38/71,437.53 = 19,551.40/x
  3. Step 3: Cross multiply
    47,628.38x = 71,437.53 × 19,551.40
  4. Step 4: Simplify right side
    47,628.38x = 1,396,703,724.04
  5. Step 5: Solve for x
    x = 1,396,703,724.04/47,628.38
  6. Step 6: Final answer
    x = 29,325.03

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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.