Home / 30,056.31-45,052.68-11,328.24

Finding the Fourth Proportional to 30,056.31, 45,052.68 and 11,328.24

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Solution

The fourth proportional to 30,056.31, 45,052.68 and 11,328.24 is: 16,980.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,056.31 : 45,052.68 = 11,328.24 : x
  2. Step 2: Convert to fraction form
    30,056.31/45,052.68 = 11,328.24/x
  3. Step 3: Cross multiply
    30,056.31x = 45,052.68 × 11,328.24
  4. Step 4: Simplify right side
    30,056.31x = 510,367,571.68
  5. Step 5: Solve for x
    x = 510,367,571.68/30,056.31
  6. Step 6: Final answer
    x = 16,980.38

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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.