Home / 53,721.51-80,505.87-39,570.26

Finding the Fourth Proportional to 53,721.51, 80,505.87 and 39,570.26

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Solution

The fourth proportional to 53,721.51, 80,505.87 and 39,570.26 is: 59,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,721.51 : 80,505.87 = 39,570.26 : x
  2. Step 2: Convert to fraction form
    53,721.51/80,505.87 = 39,570.26/x
  3. Step 3: Cross multiply
    53,721.51x = 80,505.87 × 39,570.26
  4. Step 4: Simplify right side
    53,721.51x = 3,185,638,207.43
  5. Step 5: Solve for x
    x = 3,185,638,207.43/53,721.51
  6. Step 6: Final answer
    x = 59,299.12

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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.