Home / 52,292.37-72,163.40-28,418.99

Finding the Fourth Proportional to 52,292.37, 72,163.40 and 28,418.99

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Solution

The fourth proportional to 52,292.37, 72,163.40 and 28,418.99 is: 39,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,292.37 : 72,163.40 = 28,418.99 : x
  2. Step 2: Convert to fraction form
    52,292.37/72,163.40 = 28,418.99/x
  3. Step 3: Cross multiply
    52,292.37x = 72,163.40 × 28,418.99
  4. Step 4: Simplify right side
    52,292.37x = 2,050,810,440.05
  5. Step 5: Solve for x
    x = 2,050,810,440.05/52,292.37
  6. Step 6: Final answer
    x = 39,218.16

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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.