Home / 43,066.08-64,212.35-41,421.78

Finding the Fourth Proportional to 43,066.08, 64,212.35 and 41,421.78

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Solution

The fourth proportional to 43,066.08, 64,212.35 and 41,421.78 is: 61,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,066.08 : 64,212.35 = 41,421.78 : x
  2. Step 2: Convert to fraction form
    43,066.08/64,212.35 = 41,421.78/x
  3. Step 3: Cross multiply
    43,066.08x = 64,212.35 × 41,421.78
  4. Step 4: Simplify right side
    43,066.08x = 2,659,789,627.87
  5. Step 5: Solve for x
    x = 2,659,789,627.87/43,066.08
  6. Step 6: Final answer
    x = 61,760.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.