Home / 40,328.96-55,661.28-23,331.20

Finding the Fourth Proportional to 40,328.96, 55,661.28 and 23,331.20

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Solution

The fourth proportional to 40,328.96, 55,661.28 and 23,331.20 is: 32,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,328.96 : 55,661.28 = 23,331.20 : x
  2. Step 2: Convert to fraction form
    40,328.96/55,661.28 = 23,331.20/x
  3. Step 3: Cross multiply
    40,328.96x = 55,661.28 × 23,331.20
  4. Step 4: Simplify right side
    40,328.96x = 1,298,644,455.94
  5. Step 5: Solve for x
    x = 1,298,644,455.94/40,328.96
  6. Step 6: Final answer
    x = 32,201.29

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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.