Home / 30,621.11-45,910.77-15,591.29

Finding the Fourth Proportional to 30,621.11, 45,910.77 and 15,591.29

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Solution

The fourth proportional to 30,621.11, 45,910.77 and 15,591.29 is: 23,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.11 : 45,910.77 = 15,591.29 : x
  2. Step 2: Convert to fraction form
    30,621.11/45,910.77 = 15,591.29/x
  3. Step 3: Cross multiply
    30,621.11x = 45,910.77 × 15,591.29
  4. Step 4: Simplify right side
    30,621.11x = 715,808,129.19
  5. Step 5: Solve for x
    x = 715,808,129.19/30,621.11
  6. Step 6: Final answer
    x = 23,376.30

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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.