Home / 36,653.64-54,988.56-13,281.90

Finding the Fourth Proportional to 36,653.64, 54,988.56 and 13,281.90

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Solution

The fourth proportional to 36,653.64, 54,988.56 and 13,281.90 is: 19,925.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,653.64 : 54,988.56 = 13,281.90 : x
  2. Step 2: Convert to fraction form
    36,653.64/54,988.56 = 13,281.90/x
  3. Step 3: Cross multiply
    36,653.64x = 54,988.56 × 13,281.90
  4. Step 4: Simplify right side
    36,653.64x = 730,352,555.06
  5. Step 5: Solve for x
    x = 730,352,555.06/36,653.64
  6. Step 6: Final answer
    x = 19,925.79

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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.