Home / 30,935.58-42,684.48-17,502.54

Finding the Fourth Proportional to 30,935.58, 42,684.48 and 17,502.54

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Solution

The fourth proportional to 30,935.58, 42,684.48 and 17,502.54 is: 24,149.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.58 : 42,684.48 = 17,502.54 : x
  2. Step 2: Convert to fraction form
    30,935.58/42,684.48 = 17,502.54/x
  3. Step 3: Cross multiply
    30,935.58x = 42,684.48 × 17,502.54
  4. Step 4: Simplify right side
    30,935.58x = 747,086,818.58
  5. Step 5: Solve for x
    x = 747,086,818.58/30,935.58
  6. Step 6: Final answer
    x = 24,149.76

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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.