Home / 50,421.56-69,581.76-27,760.64

Finding the Fourth Proportional to 50,421.56, 69,581.76 and 27,760.64

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Solution

The fourth proportional to 50,421.56, 69,581.76 and 27,760.64 is: 38,309.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,421.56 : 69,581.76 = 27,760.64 : x
  2. Step 2: Convert to fraction form
    50,421.56/69,581.76 = 27,760.64/x
  3. Step 3: Cross multiply
    50,421.56x = 69,581.76 × 27,760.64
  4. Step 4: Simplify right side
    50,421.56x = 1,931,634,189.93
  5. Step 5: Solve for x
    x = 1,931,634,189.93/50,421.56
  6. Step 6: Final answer
    x = 38,309.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.