Home / 30,382.40-45,503.13-29,331.16

Finding the Fourth Proportional to 30,382.40, 45,503.13 and 29,331.16

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Solution

The fourth proportional to 30,382.40, 45,503.13 and 29,331.16 is: 43,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.40 : 45,503.13 = 29,331.16 : x
  2. Step 2: Convert to fraction form
    30,382.40/45,503.13 = 29,331.16/x
  3. Step 3: Cross multiply
    30,382.40x = 45,503.13 × 29,331.16
  4. Step 4: Simplify right side
    30,382.40x = 1,334,659,586.53
  5. Step 5: Solve for x
    x = 1,334,659,586.53/30,382.40
  6. Step 6: Final answer
    x = 43,928.71

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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.