Home / 52,645.20-72,650.39-29,986.31

Finding the Fourth Proportional to 52,645.20, 72,650.39 and 29,986.31

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Solution

The fourth proportional to 52,645.20, 72,650.39 and 29,986.31 is: 41,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,645.20 : 72,650.39 = 29,986.31 : x
  2. Step 2: Convert to fraction form
    52,645.20/72,650.39 = 29,986.31/x
  3. Step 3: Cross multiply
    52,645.20x = 72,650.39 × 29,986.31
  4. Step 4: Simplify right side
    52,645.20x = 2,178,516,739.20
  5. Step 5: Solve for x
    x = 2,178,516,739.20/52,645.20
  6. Step 6: Final answer
    x = 41,381.11

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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.