Home / 30,042.74-45,070.58-8,984.45

Finding the Fourth Proportional to 30,042.74, 45,070.58 and 8,984.45

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Solution

The fourth proportional to 30,042.74, 45,070.58 and 8,984.45 is: 13,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.74 : 45,070.58 = 8,984.45 : x
  2. Step 2: Convert to fraction form
    30,042.74/45,070.58 = 8,984.45/x
  3. Step 3: Cross multiply
    30,042.74x = 45,070.58 × 8,984.45
  4. Step 4: Simplify right side
    30,042.74x = 404,934,327.56
  5. Step 5: Solve for x
    x = 404,934,327.56/30,042.74
  6. Step 6: Final answer
    x = 13,478.61

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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.