Home / 55,242.04-76,236.21-31,370.94

Finding the Fourth Proportional to 55,242.04, 76,236.21 and 31,370.94

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Solution

The fourth proportional to 55,242.04, 76,236.21 and 31,370.94 is: 43,293.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,242.04 : 76,236.21 = 31,370.94 : x
  2. Step 2: Convert to fraction form
    55,242.04/76,236.21 = 31,370.94/x
  3. Step 3: Cross multiply
    55,242.04x = 76,236.21 × 31,370.94
  4. Step 4: Simplify right side
    55,242.04x = 2,391,601,569.74
  5. Step 5: Solve for x
    x = 2,391,601,569.74/55,242.04
  6. Step 6: Final answer
    x = 43,293.14

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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.