Home / 49,565.56-74,347.36-19,982.72

Finding the Fourth Proportional to 49,565.56, 74,347.36 and 19,982.72

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Solution

The fourth proportional to 49,565.56, 74,347.36 and 19,982.72 is: 29,973.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,565.56 : 74,347.36 = 19,982.72 : x
  2. Step 2: Convert to fraction form
    49,565.56/74,347.36 = 19,982.72/x
  3. Step 3: Cross multiply
    49,565.56x = 74,347.36 × 19,982.72
  4. Step 4: Simplify right side
    49,565.56x = 1,485,662,477.62
  5. Step 5: Solve for x
    x = 1,485,662,477.62/49,565.56
  6. Step 6: Final answer
    x = 29,973.68

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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.