Home / 30,393.74-45,549.43-13,732.99

Finding the Fourth Proportional to 30,393.74, 45,549.43 and 13,732.99

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Solution

The fourth proportional to 30,393.74, 45,549.43 and 13,732.99 is: 20,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.74 : 45,549.43 = 13,732.99 : x
  2. Step 2: Convert to fraction form
    30,393.74/45,549.43 = 13,732.99/x
  3. Step 3: Cross multiply
    30,393.74x = 45,549.43 × 13,732.99
  4. Step 4: Simplify right side
    30,393.74x = 625,529,866.70
  5. Step 5: Solve for x
    x = 625,529,866.70/30,393.74
  6. Step 6: Final answer
    x = 20,580.88

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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.