Home / 30,389.35-45,576.74-9,612.85

Finding the Fourth Proportional to 30,389.35, 45,576.74 and 9,612.85

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Solution

The fourth proportional to 30,389.35, 45,576.74 and 9,612.85 is: 14,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.35 : 45,576.74 = 9,612.85 : x
  2. Step 2: Convert to fraction form
    30,389.35/45,576.74 = 9,612.85/x
  3. Step 3: Cross multiply
    30,389.35x = 45,576.74 × 9,612.85
  4. Step 4: Simplify right side
    30,389.35x = 438,122,365.11
  5. Step 5: Solve for x
    x = 438,122,365.11/30,389.35
  6. Step 6: Final answer
    x = 14,416.97

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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.