Home / 43,280.66-64,930.71-13,700.27

Finding the Fourth Proportional to 43,280.66, 64,930.71 and 13,700.27

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Solution

The fourth proportional to 43,280.66, 64,930.71 and 13,700.27 is: 20,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,280.66 : 64,930.71 = 13,700.27 : x
  2. Step 2: Convert to fraction form
    43,280.66/64,930.71 = 13,700.27/x
  3. Step 3: Cross multiply
    43,280.66x = 64,930.71 × 13,700.27
  4. Step 4: Simplify right side
    43,280.66x = 889,567,933.64
  5. Step 5: Solve for x
    x = 889,567,933.64/43,280.66
  6. Step 6: Final answer
    x = 20,553.48

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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.