Home / 45,977.92-63,455.39-28,069.09

Finding the Fourth Proportional to 45,977.92, 63,455.39 and 28,069.09

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Solution

The fourth proportional to 45,977.92, 63,455.39 and 28,069.09 is: 38,738.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,977.92 : 63,455.39 = 28,069.09 : x
  2. Step 2: Convert to fraction form
    45,977.92/63,455.39 = 28,069.09/x
  3. Step 3: Cross multiply
    45,977.92x = 63,455.39 × 28,069.09
  4. Step 4: Simplify right side
    45,977.92x = 1,781,134,859.17
  5. Step 5: Solve for x
    x = 1,781,134,859.17/45,977.92
  6. Step 6: Final answer
    x = 38,738.92

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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.