Home / 40,171.08-55,435.14-23,403

Finding the Fourth Proportional to 40,171.08, 55,435.14 and 23,403

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Solution

The fourth proportional to 40,171.08, 55,435.14 and 23,403 is: 32,295.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,171.08 : 55,435.14 = 23,403 : x
  2. Step 2: Convert to fraction form
    40,171.08/55,435.14 = 23,403/x
  3. Step 3: Cross multiply
    40,171.08x = 55,435.14 × 23,403
  4. Step 4: Simplify right side
    40,171.08x = 1,297,348,581.42
  5. Step 5: Solve for x
    x = 1,297,348,581.42/40,171.08
  6. Step 6: Final answer
    x = 32,295.59

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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.