Home / 52,307.12-72,184.26-28,433.79

Finding the Fourth Proportional to 52,307.12, 72,184.26 and 28,433.79

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Solution

The fourth proportional to 52,307.12, 72,184.26 and 28,433.79 is: 39,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,307.12 : 72,184.26 = 28,433.79 : x
  2. Step 2: Convert to fraction form
    52,307.12/72,184.26 = 28,433.79/x
  3. Step 3: Cross multiply
    52,307.12x = 72,184.26 × 28,433.79
  4. Step 4: Simplify right side
    52,307.12x = 2,052,472,090.15
  5. Step 5: Solve for x
    x = 2,052,472,090.15/52,307.12
  6. Step 6: Final answer
    x = 39,238.87

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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.