Home / 57,534.36-79,421.99-38,682.42

Finding the Fourth Proportional to 57,534.36, 79,421.99 and 38,682.42

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Solution

The fourth proportional to 57,534.36, 79,421.99 and 38,682.42 is: 53,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,534.36 : 79,421.99 = 38,682.42 : x
  2. Step 2: Convert to fraction form
    57,534.36/79,421.99 = 38,682.42/x
  3. Step 3: Cross multiply
    57,534.36x = 79,421.99 × 38,682.42
  4. Step 4: Simplify right side
    57,534.36x = 3,072,234,581.00
  5. Step 5: Solve for x
    x = 3,072,234,581.00/57,534.36
  6. Step 6: Final answer
    x = 53,398.26

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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.