Home / 53,231.02-79,832.91-15,782.34

Finding the Fourth Proportional to 53,231.02, 79,832.91 and 15,782.34

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Solution

The fourth proportional to 53,231.02, 79,832.91 and 15,782.34 is: 23,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231.02 : 79,832.91 = 15,782.34 : x
  2. Step 2: Convert to fraction form
    53,231.02/79,832.91 = 15,782.34/x
  3. Step 3: Cross multiply
    53,231.02x = 79,832.91 × 15,782.34
  4. Step 4: Simplify right side
    53,231.02x = 1,259,950,128.81
  5. Step 5: Solve for x
    x = 1,259,950,128.81/53,231.02
  6. Step 6: Final answer
    x = 23,669.47

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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.