Home / 42,387.36-58,521.44-27,285.60

Finding the Fourth Proportional to 42,387.36, 58,521.44 and 27,285.60

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Solution

The fourth proportional to 42,387.36, 58,521.44 and 27,285.60 is: 37,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,387.36 : 58,521.44 = 27,285.60 : x
  2. Step 2: Convert to fraction form
    42,387.36/58,521.44 = 27,285.60/x
  3. Step 3: Cross multiply
    42,387.36x = 58,521.44 × 27,285.60
  4. Step 4: Simplify right side
    42,387.36x = 1,596,792,603.26
  5. Step 5: Solve for x
    x = 1,596,792,603.26/42,387.36
  6. Step 6: Final answer
    x = 37,671.43

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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.