Home / 57,438.32-79,209.60-37,287.68

Finding the Fourth Proportional to 57,438.32, 79,209.60 and 37,287.68

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Solution

The fourth proportional to 57,438.32, 79,209.60 and 37,287.68 is: 51,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,438.32 : 79,209.60 = 37,287.68 : x
  2. Step 2: Convert to fraction form
    57,438.32/79,209.60 = 37,287.68/x
  3. Step 3: Cross multiply
    57,438.32x = 79,209.60 × 37,287.68
  4. Step 4: Simplify right side
    57,438.32x = 2,953,542,217.73
  5. Step 5: Solve for x
    x = 2,953,542,217.73/57,438.32
  6. Step 6: Final answer
    x = 51,421.11

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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.