Home / 32,419.20-44,739.36-18,271.20

Finding the Fourth Proportional to 32,419.20, 44,739.36 and 18,271.20

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Solution

The fourth proportional to 32,419.20, 44,739.36 and 18,271.20 is: 25,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,419.20 : 44,739.36 = 18,271.20 : x
  2. Step 2: Convert to fraction form
    32,419.20/44,739.36 = 18,271.20/x
  3. Step 3: Cross multiply
    32,419.20x = 44,739.36 × 18,271.20
  4. Step 4: Simplify right side
    32,419.20x = 817,441,794.43
  5. Step 5: Solve for x
    x = 817,441,794.43/32,419.20
  6. Step 6: Final answer
    x = 25,214.74

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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.