Home / 30,920.15-46,370.94-13,150.66

Finding the Fourth Proportional to 30,920.15, 46,370.94 and 13,150.66

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Solution

The fourth proportional to 30,920.15, 46,370.94 and 13,150.66 is: 19,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,920.15 : 46,370.94 = 13,150.66 : x
  2. Step 2: Convert to fraction form
    30,920.15/46,370.94 = 13,150.66/x
  3. Step 3: Cross multiply
    30,920.15x = 46,370.94 × 13,150.66
  4. Step 4: Simplify right side
    30,920.15x = 609,808,465.82
  5. Step 5: Solve for x
    x = 609,808,465.82/30,920.15
  6. Step 6: Final answer
    x = 19,722.04

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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.