Home / 30,206.72-45,310.11-11,482.36

Finding the Fourth Proportional to 30,206.72, 45,310.11 and 11,482.36

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Solution

The fourth proportional to 30,206.72, 45,310.11 and 11,482.36 is: 17,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.72 : 45,310.11 = 11,482.36 : x
  2. Step 2: Convert to fraction form
    30,206.72/45,310.11 = 11,482.36/x
  3. Step 3: Cross multiply
    30,206.72x = 45,310.11 × 11,482.36
  4. Step 4: Simplify right side
    30,206.72x = 520,266,994.66
  5. Step 5: Solve for x
    x = 520,266,994.66/30,206.72
  6. Step 6: Final answer
    x = 17,223.55

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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.