Home / 30,932.45-42,686.77-17,503.43

Finding the Fourth Proportional to 30,932.45, 42,686.77 and 17,503.43

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Solution

The fourth proportional to 30,932.45, 42,686.77 and 17,503.43 is: 24,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,932.45 : 42,686.77 = 17,503.43 : x
  2. Step 2: Convert to fraction form
    30,932.45/42,686.77 = 17,503.43/x
  3. Step 3: Cross multiply
    30,932.45x = 42,686.77 × 17,503.43
  4. Step 4: Simplify right side
    30,932.45x = 747,164,890.62
  5. Step 5: Solve for x
    x = 747,164,890.62/30,932.45
  6. Step 6: Final answer
    x = 24,154.73

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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.