Home / 40,173.30-55,421.42-28,244.43

Finding the Fourth Proportional to 40,173.30, 55,421.42 and 28,244.43

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Solution

The fourth proportional to 40,173.30, 55,421.42 and 28,244.43 is: 38,964.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.30 : 55,421.42 = 28,244.43 : x
  2. Step 2: Convert to fraction form
    40,173.30/55,421.42 = 28,244.43/x
  3. Step 3: Cross multiply
    40,173.30x = 55,421.42 × 28,244.43
  4. Step 4: Simplify right side
    40,173.30x = 1,565,346,276.47
  5. Step 5: Solve for x
    x = 1,565,346,276.47/40,173.30
  6. Step 6: Final answer
    x = 38,964.84

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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.