Home / 40,846.89-61,278.53-18,654.31

Finding the Fourth Proportional to 40,846.89, 61,278.53 and 18,654.31

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Solution

The fourth proportional to 40,846.89, 61,278.53 and 18,654.31 is: 27,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,846.89 : 61,278.53 = 18,654.31 : x
  2. Step 2: Convert to fraction form
    40,846.89/61,278.53 = 18,654.31/x
  3. Step 3: Cross multiply
    40,846.89x = 61,278.53 × 18,654.31
  4. Step 4: Simplify right side
    40,846.89x = 1,143,108,694.96
  5. Step 5: Solve for x
    x = 1,143,108,694.96/40,846.89
  6. Step 6: Final answer
    x = 27,985.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.