Home / 57,041.14-78,717.29-31,546.19

Finding the Fourth Proportional to 57,041.14, 78,717.29 and 31,546.19

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Solution

The fourth proportional to 57,041.14, 78,717.29 and 31,546.19 is: 43,534.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,041.14 : 78,717.29 = 31,546.19 : x
  2. Step 2: Convert to fraction form
    57,041.14/78,717.29 = 31,546.19/x
  3. Step 3: Cross multiply
    57,041.14x = 78,717.29 × 31,546.19
  4. Step 4: Simplify right side
    57,041.14x = 2,483,230,586.63
  5. Step 5: Solve for x
    x = 2,483,230,586.63/57,041.14
  6. Step 6: Final answer
    x = 43,534.03

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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.