Home / 56,058.22-84,112.80-21,000.52

Finding the Fourth Proportional to 56,058.22, 84,112.80 and 21,000.52

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Solution

The fourth proportional to 56,058.22, 84,112.80 and 21,000.52 is: 31,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,058.22 : 84,112.80 = 21,000.52 : x
  2. Step 2: Convert to fraction form
    56,058.22/84,112.80 = 21,000.52/x
  3. Step 3: Cross multiply
    56,058.22x = 84,112.80 × 21,000.52
  4. Step 4: Simplify right side
    56,058.22x = 1,766,412,538.66
  5. Step 5: Solve for x
    x = 1,766,412,538.66/56,058.22
  6. Step 6: Final answer
    x = 31,510.32

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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.