Home / 42,936.21-59,239.86-27,829.51

Finding the Fourth Proportional to 42,936.21, 59,239.86 and 27,829.51

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Solution

The fourth proportional to 42,936.21, 59,239.86 and 27,829.51 is: 38,396.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,936.21 : 59,239.86 = 27,829.51 : x
  2. Step 2: Convert to fraction form
    42,936.21/59,239.86 = 27,829.51/x
  3. Step 3: Cross multiply
    42,936.21x = 59,239.86 × 27,829.51
  4. Step 4: Simplify right side
    42,936.21x = 1,648,616,023.81
  5. Step 5: Solve for x
    x = 1,648,616,023.81/42,936.21
  6. Step 6: Final answer
    x = 38,396.87

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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.