Home / 34,880.88-52,354.20-12,715.68

Finding the Fourth Proportional to 34,880.88, 52,354.20 and 12,715.68

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Solution

The fourth proportional to 34,880.88, 52,354.20 and 12,715.68 is: 19,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,880.88 : 52,354.20 = 12,715.68 : x
  2. Step 2: Convert to fraction form
    34,880.88/52,354.20 = 12,715.68/x
  3. Step 3: Cross multiply
    34,880.88x = 52,354.20 × 12,715.68
  4. Step 4: Simplify right side
    34,880.88x = 665,719,253.86
  5. Step 5: Solve for x
    x = 665,719,253.86/34,880.88
  6. Step 6: Final answer
    x = 19,085.51

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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.