Home / 31,228.95-43,092.32-18,482.69

Finding the Fourth Proportional to 31,228.95, 43,092.32 and 18,482.69

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Solution

The fourth proportional to 31,228.95, 43,092.32 and 18,482.69 is: 25,503.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,228.95 : 43,092.32 = 18,482.69 : x
  2. Step 2: Convert to fraction form
    31,228.95/43,092.32 = 18,482.69/x
  3. Step 3: Cross multiply
    31,228.95x = 43,092.32 × 18,482.69
  4. Step 4: Simplify right side
    31,228.95x = 796,461,991.94
  5. Step 5: Solve for x
    x = 796,461,991.94/31,228.95
  6. Step 6: Final answer
    x = 25,503.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.