Home / 53,435.62-80,208.66-39,411.28

Finding the Fourth Proportional to 53,435.62, 80,208.66 and 39,411.28

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Solution

The fourth proportional to 53,435.62, 80,208.66 and 39,411.28 is: 59,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,435.62 : 80,208.66 = 39,411.28 : x
  2. Step 2: Convert to fraction form
    53,435.62/80,208.66 = 39,411.28/x
  3. Step 3: Cross multiply
    53,435.62x = 80,208.66 × 39,411.28
  4. Step 4: Simplify right side
    53,435.62x = 3,161,125,957.68
  5. Step 5: Solve for x
    x = 3,161,125,957.68/53,435.62
  6. Step 6: Final answer
    x = 59,157.65

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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.