Home / 67,213.02-100,819.53-20,466.30

Finding the Fourth Proportional to 67,213.02, 100,819.53 and 20,466.30

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Solution

The fourth proportional to 67,213.02, 100,819.53 and 20,466.30 is: 30,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,213.02 : 100,819.53 = 20,466.30 : x
  2. Step 2: Convert to fraction form
    67,213.02/100,819.53 = 20,466.30/x
  3. Step 3: Cross multiply
    67,213.02x = 100,819.53 × 20,466.30
  4. Step 4: Simplify right side
    67,213.02x = 2,063,402,746.84
  5. Step 5: Solve for x
    x = 2,063,402,746.84/67,213.02
  6. Step 6: Final answer
    x = 30,699.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.