Home / 30,251.72-45,363.69-17,777.61

Finding the Fourth Proportional to 30,251.72, 45,363.69 and 17,777.61

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Solution

The fourth proportional to 30,251.72, 45,363.69 and 17,777.61 is: 26,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.72 : 45,363.69 = 17,777.61 : x
  2. Step 2: Convert to fraction form
    30,251.72/45,363.69 = 17,777.61/x
  3. Step 3: Cross multiply
    30,251.72x = 45,363.69 × 17,777.61
  4. Step 4: Simplify right side
    30,251.72x = 806,457,988.98
  5. Step 5: Solve for x
    x = 806,457,988.98/30,251.72
  6. Step 6: Final answer
    x = 26,658.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.