Home / 46,659.30-64,390.21-25,438.72

Finding the Fourth Proportional to 46,659.30, 64,390.21 and 25,438.72

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Solution

The fourth proportional to 46,659.30, 64,390.21 and 25,438.72 is: 35,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,659.30 : 64,390.21 = 25,438.72 : x
  2. Step 2: Convert to fraction form
    46,659.30/64,390.21 = 25,438.72/x
  3. Step 3: Cross multiply
    46,659.30x = 64,390.21 × 25,438.72
  4. Step 4: Simplify right side
    46,659.30x = 1,638,004,073.79
  5. Step 5: Solve for x
    x = 1,638,004,073.79/46,659.30
  6. Step 6: Final answer
    x = 35,105.63

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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.