Home / 53,890.23-81,017.82-43,433.64

Finding the Fourth Proportional to 53,890.23, 81,017.82 and 43,433.64

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Solution

The fourth proportional to 53,890.23, 81,017.82 and 43,433.64 is: 65,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,890.23 : 81,017.82 = 43,433.64 : x
  2. Step 2: Convert to fraction form
    53,890.23/81,017.82 = 43,433.64/x
  3. Step 3: Cross multiply
    53,890.23x = 81,017.82 × 43,433.64
  4. Step 4: Simplify right side
    53,890.23x = 3,518,898,827.46
  5. Step 5: Solve for x
    x = 3,518,898,827.46/53,890.23
  6. Step 6: Final answer
    x = 65,297.53

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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.