Home / 43,230.60-64,840.43-13,651.43

Finding the Fourth Proportional to 43,230.60, 64,840.43 and 13,651.43

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Solution

The fourth proportional to 43,230.60, 64,840.43 and 13,651.43 is: 20,475.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,230.60 : 64,840.43 = 13,651.43 : x
  2. Step 2: Convert to fraction form
    43,230.60/64,840.43 = 13,651.43/x
  3. Step 3: Cross multiply
    43,230.60x = 64,840.43 × 13,651.43
  4. Step 4: Simplify right side
    43,230.60x = 885,164,301.24
  5. Step 5: Solve for x
    x = 885,164,301.24/43,230.60
  6. Step 6: Final answer
    x = 20,475.41

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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.