Home / 30,376.71-45,549.45-13,727.72

Finding the Fourth Proportional to 30,376.71, 45,549.45 and 13,727.72

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Solution

The fourth proportional to 30,376.71, 45,549.45 and 13,727.72 is: 20,584.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.71 : 45,549.45 = 13,727.72 : x
  2. Step 2: Convert to fraction form
    30,376.71/45,549.45 = 13,727.72/x
  3. Step 3: Cross multiply
    30,376.71x = 45,549.45 × 13,727.72
  4. Step 4: Simplify right side
    30,376.71x = 625,289,868.01
  5. Step 5: Solve for x
    x = 625,289,868.01/30,376.71
  6. Step 6: Final answer
    x = 20,584.52

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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.