Home / 53,995.50-81,000.09-18,463.64

Finding the Fourth Proportional to 53,995.50, 81,000.09 and 18,463.64

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Solution

The fourth proportional to 53,995.50, 81,000.09 and 18,463.64 is: 27,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,995.50 : 81,000.09 = 18,463.64 : x
  2. Step 2: Convert to fraction form
    53,995.50/81,000.09 = 18,463.64/x
  3. Step 3: Cross multiply
    53,995.50x = 81,000.09 × 18,463.64
  4. Step 4: Simplify right side
    53,995.50x = 1,495,556,096.73
  5. Step 5: Solve for x
    x = 1,495,556,096.73/53,995.50
  6. Step 6: Final answer
    x = 27,697.79

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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.