Home / 31,608.93-43,621.58-18,180.17

Finding the Fourth Proportional to 31,608.93, 43,621.58 and 18,180.17

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Solution

The fourth proportional to 31,608.93, 43,621.58 and 18,180.17 is: 25,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,608.93 : 43,621.58 = 18,180.17 : x
  2. Step 2: Convert to fraction form
    31,608.93/43,621.58 = 18,180.17/x
  3. Step 3: Cross multiply
    31,608.93x = 43,621.58 × 18,180.17
  4. Step 4: Simplify right side
    31,608.93x = 793,047,649.17
  5. Step 5: Solve for x
    x = 793,047,649.17/31,608.93
  6. Step 6: Final answer
    x = 25,089.35

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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.