Home / 36,454.36-54,681.52-20,860.96

Finding the Fourth Proportional to 36,454.36, 54,681.52 and 20,860.96

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Solution

The fourth proportional to 36,454.36, 54,681.52 and 20,860.96 is: 31,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,454.36 : 54,681.52 = 20,860.96 : x
  2. Step 2: Convert to fraction form
    36,454.36/54,681.52 = 20,860.96/x
  3. Step 3: Cross multiply
    36,454.36x = 54,681.52 × 20,860.96
  4. Step 4: Simplify right side
    36,454.36x = 1,140,709,001.46
  5. Step 5: Solve for x
    x = 1,140,709,001.46/36,454.36
  6. Step 6: Final answer
    x = 31,291.43

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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.