Home / 30,757.09-42,444.58-17,332.65

Finding the Fourth Proportional to 30,757.09, 42,444.58 and 17,332.65

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Solution

The fourth proportional to 30,757.09, 42,444.58 and 17,332.65 is: 23,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,757.09 : 42,444.58 = 17,332.65 : x
  2. Step 2: Convert to fraction form
    30,757.09/42,444.58 = 17,332.65/x
  3. Step 3: Cross multiply
    30,757.09x = 42,444.58 × 17,332.65
  4. Step 4: Simplify right side
    30,757.09x = 735,677,049.54
  5. Step 5: Solve for x
    x = 735,677,049.54/30,757.09
  6. Step 6: Final answer
    x = 23,918.95

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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.