Home / 31,230.95-43,095.08-18,484.69

Finding the Fourth Proportional to 31,230.95, 43,095.08 and 18,484.69

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Solution

The fourth proportional to 31,230.95, 43,095.08 and 18,484.69 is: 25,506.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,230.95 : 43,095.08 = 18,484.69 : x
  2. Step 2: Convert to fraction form
    31,230.95/43,095.08 = 18,484.69/x
  3. Step 3: Cross multiply
    31,230.95x = 43,095.08 × 18,484.69
  4. Step 4: Simplify right side
    31,230.95x = 796,599,194.33
  5. Step 5: Solve for x
    x = 796,599,194.33/31,230.95
  6. Step 6: Final answer
    x = 25,506.72

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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.