Home / 30,283.90-45,433.42-29,781.62

Finding the Fourth Proportional to 30,283.90, 45,433.42 and 29,781.62

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Solution

The fourth proportional to 30,283.90, 45,433.42 and 29,781.62 is: 44,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,283.90 : 45,433.42 = 29,781.62 : x
  2. Step 2: Convert to fraction form
    30,283.90/45,433.42 = 29,781.62/x
  3. Step 3: Cross multiply
    30,283.90x = 45,433.42 × 29,781.62
  4. Step 4: Simplify right side
    30,283.90x = 1,353,080,849.74
  5. Step 5: Solve for x
    x = 1,353,080,849.74/30,283.90
  6. Step 6: Final answer
    x = 44,679.87

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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.