Home / 42,642.75-58,848.21-23,781.09

Finding the Fourth Proportional to 42,642.75, 58,848.21 and 23,781.09

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Solution

The fourth proportional to 42,642.75, 58,848.21 and 23,781.09 is: 32,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,642.75 : 58,848.21 = 23,781.09 : x
  2. Step 2: Convert to fraction form
    42,642.75/58,848.21 = 23,781.09/x
  3. Step 3: Cross multiply
    42,642.75x = 58,848.21 × 23,781.09
  4. Step 4: Simplify right side
    42,642.75x = 1,399,474,578.35
  5. Step 5: Solve for x
    x = 1,399,474,578.35/42,642.75
  6. Step 6: Final answer
    x = 32,818.58

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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.