Home / 36,304.80-54,405.28-20,690.24

Finding the Fourth Proportional to 36,304.80, 54,405.28 and 20,690.24

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Solution

The fourth proportional to 36,304.80, 54,405.28 and 20,690.24 is: 31,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,304.80 : 54,405.28 = 20,690.24 : x
  2. Step 2: Convert to fraction form
    36,304.80/54,405.28 = 20,690.24/x
  3. Step 3: Cross multiply
    36,304.80x = 54,405.28 × 20,690.24
  4. Step 4: Simplify right side
    36,304.80x = 1,125,658,300.47
  5. Step 5: Solve for x
    x = 1,125,658,300.47/36,304.80
  6. Step 6: Final answer
    x = 31,005.77

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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.