Home / 40,167.55-60,288.32-20,460.25

Finding the Fourth Proportional to 40,167.55, 60,288.32 and 20,460.25

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Solution

The fourth proportional to 40,167.55, 60,288.32 and 20,460.25 is: 30,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,167.55 : 60,288.32 = 20,460.25 : x
  2. Step 2: Convert to fraction form
    40,167.55/60,288.32 = 20,460.25/x
  3. Step 3: Cross multiply
    40,167.55x = 60,288.32 × 20,460.25
  4. Step 4: Simplify right side
    40,167.55x = 1,233,514,099.28
  5. Step 5: Solve for x
    x = 1,233,514,099.28/40,167.55
  6. Step 6: Final answer
    x = 30,709.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.