Home / 35,742.88-49,331.55-20,633.47

Finding the Fourth Proportional to 35,742.88, 49,331.55 and 20,633.47

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Solution

The fourth proportional to 35,742.88, 49,331.55 and 20,633.47 is: 28,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,742.88 : 49,331.55 = 20,633.47 : x
  2. Step 2: Convert to fraction form
    35,742.88/49,331.55 = 20,633.47/x
  3. Step 3: Cross multiply
    35,742.88x = 49,331.55 × 20,633.47
  4. Step 4: Simplify right side
    35,742.88x = 1,017,881,056.98
  5. Step 5: Solve for x
    x = 1,017,881,056.98/35,742.88
  6. Step 6: Final answer
    x = 28,477.87

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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.