Home / 49,008.47-67,621.28-28,858.01

Finding the Fourth Proportional to 49,008.47, 67,621.28 and 28,858.01

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Solution

The fourth proportional to 49,008.47, 67,621.28 and 28,858.01 is: 39,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,008.47 : 67,621.28 = 28,858.01 : x
  2. Step 2: Convert to fraction form
    49,008.47/67,621.28 = 28,858.01/x
  3. Step 3: Cross multiply
    49,008.47x = 67,621.28 × 28,858.01
  4. Step 4: Simplify right side
    49,008.47x = 1,951,415,092.06
  5. Step 5: Solve for x
    x = 1,951,415,092.06/49,008.47
  6. Step 6: Final answer
    x = 39,817.92

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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.