Home / 31,017.45-46,508.55-21,168.66

Finding the Fourth Proportional to 31,017.45, 46,508.55 and 21,168.66

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Solution

The fourth proportional to 31,017.45, 46,508.55 and 21,168.66 is: 31,740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,017.45 : 46,508.55 = 21,168.66 : x
  2. Step 2: Convert to fraction form
    31,017.45/46,508.55 = 21,168.66/x
  3. Step 3: Cross multiply
    31,017.45x = 46,508.55 × 21,168.66
  4. Step 4: Simplify right side
    31,017.45x = 984,523,682.04
  5. Step 5: Solve for x
    x = 984,523,682.04/31,017.45
  6. Step 6: Final answer
    x = 31,740.96

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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.