Home / 34,254.29-51,346.42-19,431.90

Finding the Fourth Proportional to 34,254.29, 51,346.42 and 19,431.90

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Solution

The fourth proportional to 34,254.29, 51,346.42 and 19,431.90 is: 29,127.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,254.29 : 51,346.42 = 19,431.90 : x
  2. Step 2: Convert to fraction form
    34,254.29/51,346.42 = 19,431.90/x
  3. Step 3: Cross multiply
    34,254.29x = 51,346.42 × 19,431.90
  4. Step 4: Simplify right side
    34,254.29x = 997,758,450.22
  5. Step 5: Solve for x
    x = 997,758,450.22/34,254.29
  6. Step 6: Final answer
    x = 29,127.98

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1.5x scale

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.