Home / 30,064.45-45,095.38-7,877.34

Finding the Fourth Proportional to 30,064.45, 45,095.38 and 7,877.34

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Solution

The fourth proportional to 30,064.45, 45,095.38 and 7,877.34 is: 11,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,064.45 : 45,095.38 = 7,877.34 : x
  2. Step 2: Convert to fraction form
    30,064.45/45,095.38 = 7,877.34/x
  3. Step 3: Cross multiply
    30,064.45x = 45,095.38 × 7,877.34
  4. Step 4: Simplify right side
    30,064.45x = 355,231,640.69
  5. Step 5: Solve for x
    x = 355,231,640.69/30,064.45
  6. Step 6: Final answer
    x = 11,815.67

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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.