Home / 53,778.30-74,215.75-29,905.98

Finding the Fourth Proportional to 53,778.30, 74,215.75 and 29,905.98

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Solution

The fourth proportional to 53,778.30, 74,215.75 and 29,905.98 is: 41,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,778.30 : 74,215.75 = 29,905.98 : x
  2. Step 2: Convert to fraction form
    53,778.30/74,215.75 = 29,905.98/x
  3. Step 3: Cross multiply
    53,778.30x = 74,215.75 × 29,905.98
  4. Step 4: Simplify right side
    53,778.30x = 2,219,494,735.19
  5. Step 5: Solve for x
    x = 2,219,494,735.19/53,778.30
  6. Step 6: Final answer
    x = 41,271.20

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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.