Home / 31,006.63-42,788.22-17,579.11

Finding the Fourth Proportional to 31,006.63, 42,788.22 and 17,579.11

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Solution

The fourth proportional to 31,006.63, 42,788.22 and 17,579.11 is: 24,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,006.63 : 42,788.22 = 17,579.11 : x
  2. Step 2: Convert to fraction form
    31,006.63/42,788.22 = 17,579.11/x
  3. Step 3: Cross multiply
    31,006.63x = 42,788.22 × 17,579.11
  4. Step 4: Simplify right side
    31,006.63x = 752,178,826.08
  5. Step 5: Solve for x
    x = 752,178,826.08/31,006.63
  6. Step 6: Final answer
    x = 24,258.64

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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.