Home / 34,619.43-51,931.68-12,432.99

Finding the Fourth Proportional to 34,619.43, 51,931.68 and 12,432.99

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Solution

The fourth proportional to 34,619.43, 51,931.68 and 12,432.99 is: 18,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,619.43 : 51,931.68 = 12,432.99 : x
  2. Step 2: Convert to fraction form
    34,619.43/51,931.68 = 12,432.99/x
  3. Step 3: Cross multiply
    34,619.43x = 51,931.68 × 12,432.99
  4. Step 4: Simplify right side
    34,619.43x = 645,666,276.18
  5. Step 5: Solve for x
    x = 645,666,276.18/34,619.43
  6. Step 6: Final answer
    x = 18,650.40

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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.