Home / 34,619.99-51,934.50-12,435.84

Finding the Fourth Proportional to 34,619.99, 51,934.50 and 12,435.84

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Solution

The fourth proportional to 34,619.99, 51,934.50 and 12,435.84 is: 18,655.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,619.99 : 51,934.50 = 12,435.84 : x
  2. Step 2: Convert to fraction form
    34,619.99/51,934.50 = 12,435.84/x
  3. Step 3: Cross multiply
    34,619.99x = 51,934.50 × 12,435.84
  4. Step 4: Simplify right side
    34,619.99x = 645,849,132.48
  5. Step 5: Solve for x
    x = 645,849,132.48/34,619.99
  6. Step 6: Final answer
    x = 18,655.38

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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.