Home / 57,605.28-79,491.24-31,762.68

Finding the Fourth Proportional to 57,605.28, 79,491.24 and 31,762.68

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Solution

The fourth proportional to 57,605.28, 79,491.24 and 31,762.68 is: 43,830.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,605.28 : 79,491.24 = 31,762.68 : x
  2. Step 2: Convert to fraction form
    57,605.28/79,491.24 = 31,762.68/x
  3. Step 3: Cross multiply
    57,605.28x = 79,491.24 × 31,762.68
  4. Step 4: Simplify right side
    57,605.28x = 2,524,854,818.92
  5. Step 5: Solve for x
    x = 2,524,854,818.92/57,605.28
  6. Step 6: Final answer
    x = 43,830.27

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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.