Home / 58,770.19-81,102.57-31,912.48

Finding the Fourth Proportional to 58,770.19, 81,102.57 and 31,912.48

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Solution

The fourth proportional to 58,770.19, 81,102.57 and 31,912.48 is: 44,039.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,770.19 : 81,102.57 = 31,912.48 : x
  2. Step 2: Convert to fraction form
    58,770.19/81,102.57 = 31,912.48/x
  3. Step 3: Cross multiply
    58,770.19x = 81,102.57 × 31,912.48
  4. Step 4: Simplify right side
    58,770.19x = 2,588,184,143.07
  5. Step 5: Solve for x
    x = 2,588,184,143.07/58,770.19
  6. Step 6: Final answer
    x = 44,039.06

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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.