Home / 31,312.26-43,209.32-17,880.89

Finding the Fourth Proportional to 31,312.26, 43,209.32 and 17,880.89

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Solution

The fourth proportional to 31,312.26, 43,209.32 and 17,880.89 is: 24,674.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,312.26 : 43,209.32 = 17,880.89 : x
  2. Step 2: Convert to fraction form
    31,312.26/43,209.32 = 17,880.89/x
  3. Step 3: Cross multiply
    31,312.26x = 43,209.32 × 17,880.89
  4. Step 4: Simplify right side
    31,312.26x = 772,620,792.44
  5. Step 5: Solve for x
    x = 772,620,792.44/31,312.26
  6. Step 6: Final answer
    x = 24,674.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.