Home / 30,621.11-45,888.84-16,550.78

Finding the Fourth Proportional to 30,621.11, 45,888.84 and 16,550.78

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Solution

The fourth proportional to 30,621.11, 45,888.84 and 16,550.78 is: 24,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.11 : 45,888.84 = 16,550.78 : x
  2. Step 2: Convert to fraction form
    30,621.11/45,888.84 = 16,550.78/x
  3. Step 3: Cross multiply
    30,621.11x = 45,888.84 × 16,550.78
  4. Step 4: Simplify right side
    30,621.11x = 759,495,865.85
  5. Step 5: Solve for x
    x = 759,495,865.85/30,621.11
  6. Step 6: Final answer
    x = 24,803.02

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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.