Home / 30,455.91-42,030.08-17,027.73

Finding the Fourth Proportional to 30,455.91, 42,030.08 and 17,027.73

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Solution

The fourth proportional to 30,455.91, 42,030.08 and 17,027.73 is: 23,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,455.91 : 42,030.08 = 17,027.73 : x
  2. Step 2: Convert to fraction form
    30,455.91/42,030.08 = 17,027.73/x
  3. Step 3: Cross multiply
    30,455.91x = 42,030.08 × 17,027.73
  4. Step 4: Simplify right side
    30,455.91x = 715,676,854.12
  5. Step 5: Solve for x
    x = 715,676,854.12/30,455.91
  6. Step 6: Final answer
    x = 23,498.78

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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.