Home / 31,628.05-43,646.72-17,480.89

Finding the Fourth Proportional to 31,628.05, 43,646.72 and 17,480.89

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Solution

The fourth proportional to 31,628.05, 43,646.72 and 17,480.89 is: 24,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628.05 : 43,646.72 = 17,480.89 : x
  2. Step 2: Convert to fraction form
    31,628.05/43,646.72 = 17,480.89/x
  3. Step 3: Cross multiply
    31,628.05x = 43,646.72 × 17,480.89
  4. Step 4: Simplify right side
    31,628.05x = 762,983,423.78
  5. Step 5: Solve for x
    x = 762,983,423.78/31,628.05
  6. Step 6: Final answer
    x = 24,123.64

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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.