Home / 29,116.89-40,178.53-17,020.20

Finding the Fourth Proportional to 29,116.89, 40,178.53 and 17,020.20

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Solution

The fourth proportional to 29,116.89, 40,178.53 and 17,020.20 is: 23,486.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,116.89 : 40,178.53 = 17,020.20 : x
  2. Step 2: Convert to fraction form
    29,116.89/40,178.53 = 17,020.20/x
  3. Step 3: Cross multiply
    29,116.89x = 40,178.53 × 17,020.20
  4. Step 4: Simplify right side
    29,116.89x = 683,846,603.44
  5. Step 5: Solve for x
    x = 683,846,603.44/29,116.89
  6. Step 6: Final answer
    x = 23,486.25

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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.