Home / 39,231.43-54,143.90-23,315.74

Finding the Fourth Proportional to 39,231.43, 54,143.90 and 23,315.74

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Solution

The fourth proportional to 39,231.43, 54,143.90 and 23,315.74 is: 32,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231.43 : 54,143.90 = 23,315.74 : x
  2. Step 2: Convert to fraction form
    39,231.43/54,143.90 = 23,315.74/x
  3. Step 3: Cross multiply
    39,231.43x = 54,143.90 × 23,315.74
  4. Step 4: Simplify right side
    39,231.43x = 1,262,405,094.99
  5. Step 5: Solve for x
    x = 1,262,405,094.99/39,231.43
  6. Step 6: Final answer
    x = 32,178.41

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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.