Home / 30,326.20-45,453.66-13,666.84

Finding the Fourth Proportional to 30,326.20, 45,453.66 and 13,666.84

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Solution

The fourth proportional to 30,326.20, 45,453.66 and 13,666.84 is: 20,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,326.20 : 45,453.66 = 13,666.84 : x
  2. Step 2: Convert to fraction form
    30,326.20/45,453.66 = 13,666.84/x
  3. Step 3: Cross multiply
    30,326.20x = 45,453.66 × 13,666.84
  4. Step 4: Simplify right side
    30,326.20x = 621,207,898.63
  5. Step 5: Solve for x
    x = 621,207,898.63/30,326.20
  6. Step 6: Final answer
    x = 20,484.20

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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.