Home / 51,961.24-71,730.48-30,448

Finding the Fourth Proportional to 51,961.24, 71,730.48 and 30,448

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Solution

The fourth proportional to 51,961.24, 71,730.48 and 30,448 is: 42,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,961.24 : 71,730.48 = 30,448 : x
  2. Step 2: Convert to fraction form
    51,961.24/71,730.48 = 30,448/x
  3. Step 3: Cross multiply
    51,961.24x = 71,730.48 × 30,448
  4. Step 4: Simplify right side
    51,961.24x = 2,184,049,655.04
  5. Step 5: Solve for x
    x = 2,184,049,655.04/51,961.24
  6. Step 6: Final answer
    x = 42,032.29

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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.