Home / 52,342.88-72,232.66-28,469.76

Finding the Fourth Proportional to 52,342.88, 72,232.66 and 28,469.76

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Solution

The fourth proportional to 52,342.88, 72,232.66 and 28,469.76 is: 39,287.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,342.88 : 72,232.66 = 28,469.76 : x
  2. Step 2: Convert to fraction form
    52,342.88/72,232.66 = 28,469.76/x
  3. Step 3: Cross multiply
    52,342.88x = 72,232.66 × 28,469.76
  4. Step 4: Simplify right side
    52,342.88x = 2,056,446,494.36
  5. Step 5: Solve for x
    x = 2,056,446,494.36/52,342.88
  6. Step 6: Final answer
    x = 39,287.99

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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.