Home / 30,579.17-45,884.40-13,937.06

Finding the Fourth Proportional to 30,579.17, 45,884.40 and 13,937.06

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Solution

The fourth proportional to 30,579.17, 45,884.40 and 13,937.06 is: 20,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579.17 : 45,884.40 = 13,937.06 : x
  2. Step 2: Convert to fraction form
    30,579.17/45,884.40 = 13,937.06/x
  3. Step 3: Cross multiply
    30,579.17x = 45,884.40 × 13,937.06
  4. Step 4: Simplify right side
    30,579.17x = 639,493,698.31
  5. Step 5: Solve for x
    x = 639,493,698.31/30,579.17
  6. Step 6: Final answer
    x = 20,912.73

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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.