Home / 34,005.18-51,007.78-10,312.68

Finding the Fourth Proportional to 34,005.18, 51,007.78 and 10,312.68

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Solution

The fourth proportional to 34,005.18, 51,007.78 and 10,312.68 is: 15,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,005.18 : 51,007.78 = 10,312.68 : x
  2. Step 2: Convert to fraction form
    34,005.18/51,007.78 = 10,312.68/x
  3. Step 3: Cross multiply
    34,005.18x = 51,007.78 × 10,312.68
  4. Step 4: Simplify right side
    34,005.18x = 526,026,912.65
  5. Step 5: Solve for x
    x = 526,026,912.65/34,005.18
  6. Step 6: Final answer
    x = 15,469.02

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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.