Home / 34,200.39-51,308.28-12,015.30

Finding the Fourth Proportional to 34,200.39, 51,308.28 and 12,015.30

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Solution

The fourth proportional to 34,200.39, 51,308.28 and 12,015.30 is: 18,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,200.39 : 51,308.28 = 12,015.30 : x
  2. Step 2: Convert to fraction form
    34,200.39/51,308.28 = 12,015.30/x
  3. Step 3: Cross multiply
    34,200.39x = 51,308.28 × 12,015.30
  4. Step 4: Simplify right side
    34,200.39x = 616,484,376.68
  5. Step 5: Solve for x
    x = 616,484,376.68/34,200.39
  6. Step 6: Final answer
    x = 18,025.65

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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.