Home / 52,786.47-72,845.35-28,913.54

Finding the Fourth Proportional to 52,786.47, 72,845.35 and 28,913.54

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Solution

The fourth proportional to 52,786.47, 72,845.35 and 28,913.54 is: 39,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,786.47 : 72,845.35 = 28,913.54 : x
  2. Step 2: Convert to fraction form
    52,786.47/72,845.35 = 28,913.54/x
  3. Step 3: Cross multiply
    52,786.47x = 72,845.35 × 28,913.54
  4. Step 4: Simplify right side
    52,786.47x = 2,106,217,050.87
  5. Step 5: Solve for x
    x = 2,106,217,050.87/52,786.47
  6. Step 6: Final answer
    x = 39,900.70

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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.