Home / 53,118.51-79,677.77-17,570.29

Finding the Fourth Proportional to 53,118.51, 79,677.77 and 17,570.29

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Solution

The fourth proportional to 53,118.51, 79,677.77 and 17,570.29 is: 26,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,118.51 : 79,677.77 = 17,570.29 : x
  2. Step 2: Convert to fraction form
    53,118.51/79,677.77 = 17,570.29/x
  3. Step 3: Cross multiply
    53,118.51x = 79,677.77 × 17,570.29
  4. Step 4: Simplify right side
    53,118.51x = 1,399,961,525.45
  5. Step 5: Solve for x
    x = 1,399,961,525.45/53,118.51
  6. Step 6: Final answer
    x = 26,355.44

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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.