Home / 39,231.01-54,137.19-23,315.32

Finding the Fourth Proportional to 39,231.01, 54,137.19 and 23,315.32

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Solution

The fourth proportional to 39,231.01, 54,137.19 and 23,315.32 is: 32,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231.01 : 54,137.19 = 23,315.32 : x
  2. Step 2: Convert to fraction form
    39,231.01/54,137.19 = 23,315.32/x
  3. Step 3: Cross multiply
    39,231.01x = 54,137.19 × 23,315.32
  4. Step 4: Simplify right side
    39,231.01x = 1,262,225,908.75
  5. Step 5: Solve for x
    x = 1,262,225,908.75/39,231.01
  6. Step 6: Final answer
    x = 32,174.19

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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.