Home / 30,320.16-41,840.49-16,892.88

Finding the Fourth Proportional to 30,320.16, 41,840.49 and 16,892.88

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Solution

The fourth proportional to 30,320.16, 41,840.49 and 16,892.88 is: 23,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.16 : 41,840.49 = 16,892.88 : x
  2. Step 2: Convert to fraction form
    30,320.16/41,840.49 = 16,892.88/x
  3. Step 3: Cross multiply
    30,320.16x = 41,840.49 × 16,892.88
  4. Step 4: Simplify right side
    30,320.16x = 706,806,376.71
  5. Step 5: Solve for x
    x = 706,806,376.71/30,320.16
  6. Step 6: Final answer
    x = 23,311.43

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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.