Home / 53,087.96-79,629.32-19,805.46

Finding the Fourth Proportional to 53,087.96, 79,629.32 and 19,805.46

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Solution

The fourth proportional to 53,087.96, 79,629.32 and 19,805.46 is: 29,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,087.96 : 79,629.32 = 19,805.46 : x
  2. Step 2: Convert to fraction form
    53,087.96/79,629.32 = 19,805.46/x
  3. Step 3: Cross multiply
    53,087.96x = 79,629.32 × 19,805.46
  4. Step 4: Simplify right side
    53,087.96x = 1,577,095,312.09
  5. Step 5: Solve for x
    x = 1,577,095,312.09/53,087.96
  6. Step 6: Final answer
    x = 29,707.21

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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.