Home / 55,374.12-76,418.10-31,501.80

Finding the Fourth Proportional to 55,374.12, 76,418.10 and 31,501.80

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Solution

The fourth proportional to 55,374.12, 76,418.10 and 31,501.80 is: 43,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,374.12 : 76,418.10 = 31,501.80 : x
  2. Step 2: Convert to fraction form
    55,374.12/76,418.10 = 31,501.80/x
  3. Step 3: Cross multiply
    55,374.12x = 76,418.10 × 31,501.80
  4. Step 4: Simplify right side
    55,374.12x = 2,407,307,702.58
  5. Step 5: Solve for x
    x = 2,407,307,702.58/55,374.12
  6. Step 6: Final answer
    x = 43,473.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.