Home / 34,030.26-51,046.10-12,390.98

Finding the Fourth Proportional to 34,030.26, 51,046.10 and 12,390.98

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Solution

The fourth proportional to 34,030.26, 51,046.10 and 12,390.98 is: 18,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,030.26 : 51,046.10 = 12,390.98 : x
  2. Step 2: Convert to fraction form
    34,030.26/51,046.10 = 12,390.98/x
  3. Step 3: Cross multiply
    34,030.26x = 51,046.10 × 12,390.98
  4. Step 4: Simplify right side
    34,030.26x = 632,510,933.46
  5. Step 5: Solve for x
    x = 632,510,933.46/34,030.26
  6. Step 6: Final answer
    x = 18,586.72

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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.