Home / 30,288.18-45,433.80-11,569.83

Finding the Fourth Proportional to 30,288.18, 45,433.80 and 11,569.83

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Solution

The fourth proportional to 30,288.18, 45,433.80 and 11,569.83 is: 17,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.18 : 45,433.80 = 11,569.83 : x
  2. Step 2: Convert to fraction form
    30,288.18/45,433.80 = 11,569.83/x
  3. Step 3: Cross multiply
    30,288.18x = 45,433.80 × 11,569.83
  4. Step 4: Simplify right side
    30,288.18x = 525,661,342.25
  5. Step 5: Solve for x
    x = 525,661,342.25/30,288.18
  6. Step 6: Final answer
    x = 17,355.33

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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.