Home / 38,659.64-53,349.39-22,745.11

Finding the Fourth Proportional to 38,659.64, 53,349.39 and 22,745.11

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Solution

The fourth proportional to 38,659.64, 53,349.39 and 22,745.11 is: 31,387.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.64 : 53,349.39 = 22,745.11 : x
  2. Step 2: Convert to fraction form
    38,659.64/53,349.39 = 22,745.11/x
  3. Step 3: Cross multiply
    38,659.64x = 53,349.39 × 22,745.11
  4. Step 4: Simplify right side
    38,659.64x = 1,213,437,477.24
  5. Step 5: Solve for x
    x = 1,213,437,477.24/38,659.64
  6. Step 6: Final answer
    x = 31,387.71

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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.