Home / 57,290.28-79,041.60-34,636.20

Finding the Fourth Proportional to 57,290.28, 79,041.60 and 34,636.20

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Solution

The fourth proportional to 57,290.28, 79,041.60 and 34,636.20 is: 47,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,290.28 : 79,041.60 = 34,636.20 : x
  2. Step 2: Convert to fraction form
    57,290.28/79,041.60 = 34,636.20/x
  3. Step 3: Cross multiply
    57,290.28x = 79,041.60 × 34,636.20
  4. Step 4: Simplify right side
    57,290.28x = 2,737,700,665.92
  5. Step 5: Solve for x
    x = 2,737,700,665.92/57,290.28
  6. Step 6: Final answer
    x = 47,786.48

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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.