Home / 34,020.40-51,030.60-10,327.90

Finding the Fourth Proportional to 34,020.40, 51,030.60 and 10,327.90

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Solution

The fourth proportional to 34,020.40, 51,030.60 and 10,327.90 is: 15,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,020.40 : 51,030.60 = 10,327.90 : x
  2. Step 2: Convert to fraction form
    34,020.40/51,030.60 = 10,327.90/x
  3. Step 3: Cross multiply
    34,020.40x = 51,030.60 × 10,327.90
  4. Step 4: Simplify right side
    34,020.40x = 527,038,933.74
  5. Step 5: Solve for x
    x = 527,038,933.74/34,020.40
  6. Step 6: Final answer
    x = 15,491.85

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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.