Home / 57,390.05-79,207.67-47,814.76

Finding the Fourth Proportional to 57,390.05, 79,207.67 and 47,814.76

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Solution

The fourth proportional to 57,390.05, 79,207.67 and 47,814.76 is: 65,992.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,390.05 : 79,207.67 = 47,814.76 : x
  2. Step 2: Convert to fraction form
    57,390.05/79,207.67 = 47,814.76/x
  3. Step 3: Cross multiply
    57,390.05x = 79,207.67 × 47,814.76
  4. Step 4: Simplify right side
    57,390.05x = 3,787,295,504.21
  5. Step 5: Solve for x
    x = 3,787,295,504.21/57,390.05
  6. Step 6: Final answer
    x = 65,992.19

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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.