Home / 52,292.07-72,163.51-28,418.74

Finding the Fourth Proportional to 52,292.07, 72,163.51 and 28,418.74

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Solution

The fourth proportional to 52,292.07, 72,163.51 and 28,418.74 is: 39,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,292.07 : 72,163.51 = 28,418.74 : x
  2. Step 2: Convert to fraction form
    52,292.07/72,163.51 = 28,418.74/x
  3. Step 3: Cross multiply
    52,292.07x = 72,163.51 × 28,418.74
  4. Step 4: Simplify right side
    52,292.07x = 2,050,795,776.72
  5. Step 5: Solve for x
    x = 2,050,795,776.72/52,292.07
  6. Step 6: Final answer
    x = 39,218.10

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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.