Home / 43,283.20-64,885.62-16,980.88

Finding the Fourth Proportional to 43,283.20, 64,885.62 and 16,980.88

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Solution

The fourth proportional to 43,283.20, 64,885.62 and 16,980.88 is: 25,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,283.20 : 64,885.62 = 16,980.88 : x
  2. Step 2: Convert to fraction form
    43,283.20/64,885.62 = 16,980.88/x
  3. Step 3: Cross multiply
    43,283.20x = 64,885.62 × 16,980.88
  4. Step 4: Simplify right side
    43,283.20x = 1,101,814,926.95
  5. Step 5: Solve for x
    x = 1,101,814,926.95/43,283.20
  6. Step 6: Final answer
    x = 25,455.95

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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.