Home / 57,455.68-79,288.32-32,305.36

Finding the Fourth Proportional to 57,455.68, 79,288.32 and 32,305.36

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Solution

The fourth proportional to 57,455.68, 79,288.32 and 32,305.36 is: 44,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,455.68 : 79,288.32 = 32,305.36 : x
  2. Step 2: Convert to fraction form
    57,455.68/79,288.32 = 32,305.36/x
  3. Step 3: Cross multiply
    57,455.68x = 79,288.32 × 32,305.36
  4. Step 4: Simplify right side
    57,455.68x = 2,561,437,721.40
  5. Step 5: Solve for x
    x = 2,561,437,721.40/57,455.68
  6. Step 6: Final answer
    x = 44,581.11

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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.