Home / 30,592.85-45,905.99-11,873.61

Finding the Fourth Proportional to 30,592.85, 45,905.99 and 11,873.61

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Solution

The fourth proportional to 30,592.85, 45,905.99 and 11,873.61 is: 17,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592.85 : 45,905.99 = 11,873.61 : x
  2. Step 2: Convert to fraction form
    30,592.85/45,905.99 = 11,873.61/x
  3. Step 3: Cross multiply
    30,592.85x = 45,905.99 × 11,873.61
  4. Step 4: Simplify right side
    30,592.85x = 545,069,762.56
  5. Step 5: Solve for x
    x = 545,069,762.56/30,592.85
  6. Step 6: Final answer
    x = 17,816.90

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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.