Home / 30,355.46-45,532.64-11,630.42

Finding the Fourth Proportional to 30,355.46, 45,532.64 and 11,630.42

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Solution

The fourth proportional to 30,355.46, 45,532.64 and 11,630.42 is: 17,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355.46 : 45,532.64 = 11,630.42 : x
  2. Step 2: Convert to fraction form
    30,355.46/45,532.64 = 11,630.42/x
  3. Step 3: Cross multiply
    30,355.46x = 45,532.64 × 11,630.42
  4. Step 4: Simplify right side
    30,355.46x = 529,563,726.91
  5. Step 5: Solve for x
    x = 529,563,726.91/30,355.46
  6. Step 6: Final answer
    x = 17,445.42

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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.