Home / 30,495.57-45,739.71-13,837.92

Finding the Fourth Proportional to 30,495.57, 45,739.71 and 13,837.92

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Solution

The fourth proportional to 30,495.57, 45,739.71 and 13,837.92 is: 20,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,495.57 : 45,739.71 = 13,837.92 : x
  2. Step 2: Convert to fraction form
    30,495.57/45,739.71 = 13,837.92/x
  3. Step 3: Cross multiply
    30,495.57x = 45,739.71 × 13,837.92
  4. Step 4: Simplify right side
    30,495.57x = 632,942,447.80
  5. Step 5: Solve for x
    x = 632,942,447.80/30,495.57
  6. Step 6: Final answer
    x = 20,755.23

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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.