Home / 53,684.62-74,089.47-29,815.96

Finding the Fourth Proportional to 53,684.62, 74,089.47 and 29,815.96

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Solution

The fourth proportional to 53,684.62, 74,089.47 and 29,815.96 is: 41,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,684.62 : 74,089.47 = 29,815.96 : x
  2. Step 2: Convert to fraction form
    53,684.62/74,089.47 = 29,815.96/x
  3. Step 3: Cross multiply
    53,684.62x = 74,089.47 × 29,815.96
  4. Step 4: Simplify right side
    53,684.62x = 2,209,048,673.94
  5. Step 5: Solve for x
    x = 2,209,048,673.94/53,684.62
  6. Step 6: Final answer
    x = 41,148.63

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Why These Related Problems?

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