Home / 29,084.77-40,159.29-21,145.96

Finding the Fourth Proportional to 29,084.77, 40,159.29 and 21,145.96

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Solution

The fourth proportional to 29,084.77, 40,159.29 and 21,145.96 is: 29,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,084.77 : 40,159.29 = 21,145.96 : x
  2. Step 2: Convert to fraction form
    29,084.77/40,159.29 = 21,145.96/x
  3. Step 3: Cross multiply
    29,084.77x = 40,159.29 × 21,145.96
  4. Step 4: Simplify right side
    29,084.77x = 849,206,739.97
  5. Step 5: Solve for x
    x = 849,206,739.97/29,084.77
  6. Step 6: Final answer
    x = 29,197.64

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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.