Home / 30,285.36-45,398.88-18,601.92

Finding the Fourth Proportional to 30,285.36, 45,398.88 and 18,601.92

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Solution

The fourth proportional to 30,285.36, 45,398.88 and 18,601.92 is: 27,884.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285.36 : 45,398.88 = 18,601.92 : x
  2. Step 2: Convert to fraction form
    30,285.36/45,398.88 = 18,601.92/x
  3. Step 3: Cross multiply
    30,285.36x = 45,398.88 × 18,601.92
  4. Step 4: Simplify right side
    30,285.36x = 844,506,333.85
  5. Step 5: Solve for x
    x = 844,506,333.85/30,285.36
  6. Step 6: Final answer
    x = 27,884.97

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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.