Home / 31,027.79-42,819.09-17,599.95

Finding the Fourth Proportional to 31,027.79, 42,819.09 and 17,599.95

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Solution

The fourth proportional to 31,027.79, 42,819.09 and 17,599.95 is: 24,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,027.79 : 42,819.09 = 17,599.95 : x
  2. Step 2: Convert to fraction form
    31,027.79/42,819.09 = 17,599.95/x
  3. Step 3: Cross multiply
    31,027.79x = 42,819.09 × 17,599.95
  4. Step 4: Simplify right side
    31,027.79x = 753,613,843.05
  5. Step 5: Solve for x
    x = 753,613,843.05/31,027.79
  6. Step 6: Final answer
    x = 24,288.35

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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.