Home / 30,581.94-45,892.40-13,943.63

Finding the Fourth Proportional to 30,581.94, 45,892.40 and 13,943.63

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Solution

The fourth proportional to 30,581.94, 45,892.40 and 13,943.63 is: 20,924.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581.94 : 45,892.40 = 13,943.63 : x
  2. Step 2: Convert to fraction form
    30,581.94/45,892.40 = 13,943.63/x
  3. Step 3: Cross multiply
    30,581.94x = 45,892.40 × 13,943.63
  4. Step 4: Simplify right side
    30,581.94x = 639,906,645.41
  5. Step 5: Solve for x
    x = 639,906,645.41/30,581.94
  6. Step 6: Final answer
    x = 20,924.33

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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.