Home / 57,083.10-78,806.35-34,427.81

Finding the Fourth Proportional to 57,083.10, 78,806.35 and 34,427.81

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Solution

The fourth proportional to 57,083.10, 78,806.35 and 34,427.81 is: 47,529.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,083.10 : 78,806.35 = 34,427.81 : x
  2. Step 2: Convert to fraction form
    57,083.10/78,806.35 = 34,427.81/x
  3. Step 3: Cross multiply
    57,083.10x = 78,806.35 × 34,427.81
  4. Step 4: Simplify right side
    57,083.10x = 2,713,129,564.49
  5. Step 5: Solve for x
    x = 2,713,129,564.49/57,083.10
  6. Step 6: Final answer
    x = 47,529.47

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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.