Home / 30,444.89-41,999.66-18,500.23

Finding the Fourth Proportional to 30,444.89, 41,999.66 and 18,500.23

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Solution

The fourth proportional to 30,444.89, 41,999.66 and 18,500.23 is: 25,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.89 : 41,999.66 = 18,500.23 : x
  2. Step 2: Convert to fraction form
    30,444.89/41,999.66 = 18,500.23/x
  3. Step 3: Cross multiply
    30,444.89x = 41,999.66 × 18,500.23
  4. Step 4: Simplify right side
    30,444.89x = 777,003,159.92
  5. Step 5: Solve for x
    x = 777,003,159.92/30,444.89
  6. Step 6: Final answer
    x = 25,521.63

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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.