Home / 30,581.46-45,876.75-10,858.38

Finding the Fourth Proportional to 30,581.46, 45,876.75 and 10,858.38

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Solution

The fourth proportional to 30,581.46, 45,876.75 and 10,858.38 is: 16,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581.46 : 45,876.75 = 10,858.38 : x
  2. Step 2: Convert to fraction form
    30,581.46/45,876.75 = 10,858.38/x
  3. Step 3: Cross multiply
    30,581.46x = 45,876.75 × 10,858.38
  4. Step 4: Simplify right side
    30,581.46x = 498,147,184.67
  5. Step 5: Solve for x
    x = 498,147,184.67/30,581.46
  6. Step 6: Final answer
    x = 16,289.19

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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.