Home / 29,750.80-41,058.08-21,686.32

Finding the Fourth Proportional to 29,750.80, 41,058.08 and 21,686.32

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Solution

The fourth proportional to 29,750.80, 41,058.08 and 21,686.32 is: 29,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,750.80 : 41,058.08 = 21,686.32 : x
  2. Step 2: Convert to fraction form
    29,750.80/41,058.08 = 21,686.32/x
  3. Step 3: Cross multiply
    29,750.80x = 41,058.08 × 21,686.32
  4. Step 4: Simplify right side
    29,750.80x = 890,398,661.47
  5. Step 5: Solve for x
    x = 890,398,661.47/29,750.80
  6. Step 6: Final answer
    x = 29,928.56

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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.