Home / 32,819.08-45,287.22-20,241.40

Finding the Fourth Proportional to 32,819.08, 45,287.22 and 20,241.40

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Solution

The fourth proportional to 32,819.08, 45,287.22 and 20,241.40 is: 27,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,819.08 : 45,287.22 = 20,241.40 : x
  2. Step 2: Convert to fraction form
    32,819.08/45,287.22 = 20,241.40/x
  3. Step 3: Cross multiply
    32,819.08x = 45,287.22 × 20,241.40
  4. Step 4: Simplify right side
    32,819.08x = 916,676,734.91
  5. Step 5: Solve for x
    x = 916,676,734.91/32,819.08
  6. Step 6: Final answer
    x = 27,931.21

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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.