Home / 38,073.24-57,109.86-11,777.40

Finding the Fourth Proportional to 38,073.24, 57,109.86 and 11,777.40

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Solution

The fourth proportional to 38,073.24, 57,109.86 and 11,777.40 is: 17,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,073.24 : 57,109.86 = 11,777.40 : x
  2. Step 2: Convert to fraction form
    38,073.24/57,109.86 = 11,777.40/x
  3. Step 3: Cross multiply
    38,073.24x = 57,109.86 × 11,777.40
  4. Step 4: Simplify right side
    38,073.24x = 672,605,665.16
  5. Step 5: Solve for x
    x = 672,605,665.16/38,073.24
  6. Step 6: Final answer
    x = 17,666.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.