Home / 30,581.55-45,851.67-10,585.89

Finding the Fourth Proportional to 30,581.55, 45,851.67 and 10,585.89

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Solution

The fourth proportional to 30,581.55, 45,851.67 and 10,585.89 is: 15,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581.55 : 45,851.67 = 10,585.89 : x
  2. Step 2: Convert to fraction form
    30,581.55/45,851.67 = 10,585.89/x
  3. Step 3: Cross multiply
    30,581.55x = 45,851.67 × 10,585.89
  4. Step 4: Simplify right side
    30,581.55x = 485,380,734.94
  5. Step 5: Solve for x
    x = 485,380,734.94/30,581.55
  6. Step 6: Final answer
    x = 15,871.69

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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.