Home / 42,805.75-59,072.03-23,686.91

Finding the Fourth Proportional to 42,805.75, 59,072.03 and 23,686.91

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Solution

The fourth proportional to 42,805.75, 59,072.03 and 23,686.91 is: 32,687.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,805.75 : 59,072.03 = 23,686.91 : x
  2. Step 2: Convert to fraction form
    42,805.75/59,072.03 = 23,686.91/x
  3. Step 3: Cross multiply
    42,805.75x = 59,072.03 × 23,686.91
  4. Step 4: Simplify right side
    42,805.75x = 1,399,233,858.13
  5. Step 5: Solve for x
    x = 1,399,233,858.13/42,805.75
  6. Step 6: Final answer
    x = 32,687.99

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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.