Home / 30,588.72-45,896.04-16,721.52

Finding the Fourth Proportional to 30,588.72, 45,896.04 and 16,721.52

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Solution

The fourth proportional to 30,588.72, 45,896.04 and 16,721.52 is: 25,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.72 : 45,896.04 = 16,721.52 : x
  2. Step 2: Convert to fraction form
    30,588.72/45,896.04 = 16,721.52/x
  3. Step 3: Cross multiply
    30,588.72x = 45,896.04 × 16,721.52
  4. Step 4: Simplify right side
    30,588.72x = 767,451,550.78
  5. Step 5: Solve for x
    x = 767,451,550.78/30,588.72
  6. Step 6: Final answer
    x = 25,089.36

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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.