Home / 45,621.97-62,997.95-28,655.71

Finding the Fourth Proportional to 45,621.97, 62,997.95 and 28,655.71

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Solution

The fourth proportional to 45,621.97, 62,997.95 and 28,655.71 is: 39,569.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,621.97 : 62,997.95 = 28,655.71 : x
  2. Step 2: Convert to fraction form
    45,621.97/62,997.95 = 28,655.71/x
  3. Step 3: Cross multiply
    45,621.97x = 62,997.95 × 28,655.71
  4. Step 4: Simplify right side
    45,621.97x = 1,805,250,899.94
  5. Step 5: Solve for x
    x = 1,805,250,899.94/45,621.97
  6. Step 6: Final answer
    x = 39,569.77

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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.