Home / 34,734.30-52,101.28-8,439.12

Finding the Fourth Proportional to 34,734.30, 52,101.28 and 8,439.12

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Solution

The fourth proportional to 34,734.30, 52,101.28 and 8,439.12 is: 12,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,734.30 : 52,101.28 = 8,439.12 : x
  2. Step 2: Convert to fraction form
    34,734.30/52,101.28 = 8,439.12/x
  3. Step 3: Cross multiply
    34,734.30x = 52,101.28 × 8,439.12
  4. Step 4: Simplify right side
    34,734.30x = 439,688,954.07
  5. Step 5: Solve for x
    x = 439,688,954.07/34,734.30
  6. Step 6: Final answer
    x = 12,658.64

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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.