Home / 30,228.74-45,343.02-8,042.12

Finding the Fourth Proportional to 30,228.74, 45,343.02 and 8,042.12

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Solution

The fourth proportional to 30,228.74, 45,343.02 and 8,042.12 is: 12,063.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,228.74 : 45,343.02 = 8,042.12 : x
  2. Step 2: Convert to fraction form
    30,228.74/45,343.02 = 8,042.12/x
  3. Step 3: Cross multiply
    30,228.74x = 45,343.02 × 8,042.12
  4. Step 4: Simplify right side
    30,228.74x = 364,654,008.00
  5. Step 5: Solve for x
    x = 364,654,008.00/30,228.74
  6. Step 6: Final answer
    x = 12,063.16

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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.