Home / 53,723.52-80,600.40-18,666.72

Finding the Fourth Proportional to 53,723.52, 80,600.40 and 18,666.72

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Solution

The fourth proportional to 53,723.52, 80,600.40 and 18,666.72 is: 28,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,723.52 : 80,600.40 = 18,666.72 : x
  2. Step 2: Convert to fraction form
    53,723.52/80,600.40 = 18,666.72/x
  3. Step 3: Cross multiply
    53,723.52x = 80,600.40 × 18,666.72
  4. Step 4: Simplify right side
    53,723.52x = 1,504,545,098.69
  5. Step 5: Solve for x
    x = 1,504,545,098.69/53,723.52
  6. Step 6: Final answer
    x = 28,005.33

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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.