Home / 30,519.18-45,795.78-16,478.91

Finding the Fourth Proportional to 30,519.18, 45,795.78 and 16,478.91

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Solution

The fourth proportional to 30,519.18, 45,795.78 and 16,478.91 is: 24,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,519.18 : 45,795.78 = 16,478.91 : x
  2. Step 2: Convert to fraction form
    30,519.18/45,795.78 = 16,478.91/x
  3. Step 3: Cross multiply
    30,519.18x = 45,795.78 × 16,478.91
  4. Step 4: Simplify right side
    30,519.18x = 754,664,537.00
  5. Step 5: Solve for x
    x = 754,664,537.00/30,519.18
  6. Step 6: Final answer
    x = 24,727.55

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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.