Home / 30,200.30-45,304.10-8,014.08

Finding the Fourth Proportional to 30,200.30, 45,304.10 and 8,014.08

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Solution

The fourth proportional to 30,200.30, 45,304.10 and 8,014.08 is: 12,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.30 : 45,304.10 = 8,014.08 : x
  2. Step 2: Convert to fraction form
    30,200.30/45,304.10 = 8,014.08/x
  3. Step 3: Cross multiply
    30,200.30x = 45,304.10 × 8,014.08
  4. Step 4: Simplify right side
    30,200.30x = 363,070,681.73
  5. Step 5: Solve for x
    x = 363,070,681.73/30,200.30
  6. Step 6: Final answer
    x = 12,022.09

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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.