Home / 30,713.24-42,383.85-17,975.18

Finding the Fourth Proportional to 30,713.24, 42,383.85 and 17,975.18

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Solution

The fourth proportional to 30,713.24, 42,383.85 and 17,975.18 is: 24,805.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,713.24 : 42,383.85 = 17,975.18 : x
  2. Step 2: Convert to fraction form
    30,713.24/42,383.85 = 17,975.18/x
  3. Step 3: Cross multiply
    30,713.24x = 42,383.85 × 17,975.18
  4. Step 4: Simplify right side
    30,713.24x = 761,857,332.84
  5. Step 5: Solve for x
    x = 761,857,332.84/30,713.24
  6. Step 6: Final answer
    x = 24,805.50

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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.