Home / 29,577.21-40,816.64-18,966.89

Finding the Fourth Proportional to 29,577.21, 40,816.64 and 18,966.89

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Solution

The fourth proportional to 29,577.21, 40,816.64 and 18,966.89 is: 26,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,577.21 : 40,816.64 = 18,966.89 : x
  2. Step 2: Convert to fraction form
    29,577.21/40,816.64 = 18,966.89/x
  3. Step 3: Cross multiply
    29,577.21x = 40,816.64 × 18,966.89
  4. Step 4: Simplify right side
    29,577.21x = 774,164,564.38
  5. Step 5: Solve for x
    x = 774,164,564.38/29,577.21
  6. Step 6: Final answer
    x = 26,174.36

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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.