Home / 42,730.58-64,103.97-17,757.07

Finding the Fourth Proportional to 42,730.58, 64,103.97 and 17,757.07

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Solution

The fourth proportional to 42,730.58, 64,103.97 and 17,757.07 is: 26,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,730.58 : 64,103.97 = 17,757.07 : x
  2. Step 2: Convert to fraction form
    42,730.58/64,103.97 = 17,757.07/x
  3. Step 3: Cross multiply
    42,730.58x = 64,103.97 × 17,757.07
  4. Step 4: Simplify right side
    42,730.58x = 1,138,298,682.57
  5. Step 5: Solve for x
    x = 1,138,298,682.57/42,730.58
  6. Step 6: Final answer
    x = 26,638.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.