Home / 36,364.34-54,551.98-12,985.31

Finding the Fourth Proportional to 36,364.34, 54,551.98 and 12,985.31

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Solution

The fourth proportional to 36,364.34, 54,551.98 and 12,985.31 is: 19,479.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,364.34 : 54,551.98 = 12,985.31 : x
  2. Step 2: Convert to fraction form
    36,364.34/54,551.98 = 12,985.31/x
  3. Step 3: Cross multiply
    36,364.34x = 54,551.98 × 12,985.31
  4. Step 4: Simplify right side
    36,364.34x = 708,374,524.03
  5. Step 5: Solve for x
    x = 708,374,524.03/36,364.34
  6. Step 6: Final answer
    x = 19,479.92

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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.