Home / 43,935.29-65,904.75-12,770.54

Finding the Fourth Proportional to 43,935.29, 65,904.75 and 12,770.54

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Solution

The fourth proportional to 43,935.29, 65,904.75 and 12,770.54 is: 19,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,935.29 : 65,904.75 = 12,770.54 : x
  2. Step 2: Convert to fraction form
    43,935.29/65,904.75 = 12,770.54/x
  3. Step 3: Cross multiply
    43,935.29x = 65,904.75 × 12,770.54
  4. Step 4: Simplify right side
    43,935.29x = 841,638,916.54
  5. Step 5: Solve for x
    x = 841,638,916.54/43,935.29
  6. Step 6: Final answer
    x = 19,156.33

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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.