Home / 30,911.70-46,352.03-15,117.92

Finding the Fourth Proportional to 30,911.70, 46,352.03 and 15,117.92

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Solution

The fourth proportional to 30,911.70, 46,352.03 and 15,117.92 is: 22,669.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,911.70 : 46,352.03 = 15,117.92 : x
  2. Step 2: Convert to fraction form
    30,911.70/46,352.03 = 15,117.92/x
  3. Step 3: Cross multiply
    30,911.70x = 46,352.03 × 15,117.92
  4. Step 4: Simplify right side
    30,911.70x = 700,745,974.03
  5. Step 5: Solve for x
    x = 700,745,974.03/30,911.70
  6. Step 6: Final answer
    x = 22,669.28

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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.