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Finding the Fourth Proportional to 57,581.32, 79,462.44 and 33,703.32

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Solution

The fourth proportional to 57,581.32, 79,462.44 and 33,703.32 is: 46,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,581.32 : 79,462.44 = 33,703.32 : x
  2. Step 2: Convert to fraction form
    57,581.32/79,462.44 = 33,703.32/x
  3. Step 3: Cross multiply
    57,581.32x = 79,462.44 × 33,703.32
  4. Step 4: Simplify right side
    57,581.32x = 2,678,148,043.30
  5. Step 5: Solve for x
    x = 2,678,148,043.30/57,581.32
  6. Step 6: Final answer
    x = 46,510.71

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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.