Home / 36,347.28-54,520.27-19,812.55

Finding the Fourth Proportional to 36,347.28, 54,520.27 and 19,812.55

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Solution

The fourth proportional to 36,347.28, 54,520.27 and 19,812.55 is: 29,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,347.28 : 54,520.27 = 19,812.55 : x
  2. Step 2: Convert to fraction form
    36,347.28/54,520.27 = 19,812.55/x
  3. Step 3: Cross multiply
    36,347.28x = 54,520.27 × 19,812.55
  4. Step 4: Simplify right side
    36,347.28x = 1,080,185,476.33
  5. Step 5: Solve for x
    x = 1,080,185,476.33/36,347.28
  6. Step 6: Final answer
    x = 29,718.47

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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.