Home / 32,145.09-44,362.97-18,720.56

Finding the Fourth Proportional to 32,145.09, 44,362.97 and 18,720.56

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Solution

The fourth proportional to 32,145.09, 44,362.97 and 18,720.56 is: 25,835.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,145.09 : 44,362.97 = 18,720.56 : x
  2. Step 2: Convert to fraction form
    32,145.09/44,362.97 = 18,720.56/x
  3. Step 3: Cross multiply
    32,145.09x = 44,362.97 × 18,720.56
  4. Step 4: Simplify right side
    32,145.09x = 830,499,326.25
  5. Step 5: Solve for x
    x = 830,499,326.25/32,145.09
  6. Step 6: Final answer
    x = 25,835.96

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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.