Home / 31,213.89-43,074.99-17,785.04

Finding the Fourth Proportional to 31,213.89, 43,074.99 and 17,785.04

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Solution

The fourth proportional to 31,213.89, 43,074.99 and 17,785.04 is: 24,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213.89 : 43,074.99 = 17,785.04 : x
  2. Step 2: Convert to fraction form
    31,213.89/43,074.99 = 17,785.04/x
  3. Step 3: Cross multiply
    31,213.89x = 43,074.99 × 17,785.04
  4. Step 4: Simplify right side
    31,213.89x = 766,090,204.77
  5. Step 5: Solve for x
    x = 766,090,204.77/31,213.89
  6. Step 6: Final answer
    x = 24,543.25

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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.