Home / 30,011.42-45,017.68-9,234.92

Finding the Fourth Proportional to 30,011.42, 45,017.68 and 9,234.92

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Solution

The fourth proportional to 30,011.42, 45,017.68 and 9,234.92 is: 13,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,011.42 : 45,017.68 = 9,234.92 : x
  2. Step 2: Convert to fraction form
    30,011.42/45,017.68 = 9,234.92/x
  3. Step 3: Cross multiply
    30,011.42x = 45,017.68 × 9,234.92
  4. Step 4: Simplify right side
    30,011.42x = 415,734,673.39
  5. Step 5: Solve for x
    x = 415,734,673.39/30,011.42
  6. Step 6: Final answer
    x = 13,852.55

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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.