Home / 36,385.80-54,578.70-14,214.75

Finding the Fourth Proportional to 36,385.80, 54,578.70 and 14,214.75

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Solution

The fourth proportional to 36,385.80, 54,578.70 and 14,214.75 is: 21,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385.80 : 54,578.70 = 14,214.75 : x
  2. Step 2: Convert to fraction form
    36,385.80/54,578.70 = 14,214.75/x
  3. Step 3: Cross multiply
    36,385.80x = 54,578.70 × 14,214.75
  4. Step 4: Simplify right side
    36,385.80x = 775,822,575.83
  5. Step 5: Solve for x
    x = 775,822,575.83/36,385.80
  6. Step 6: Final answer
    x = 21,322.13

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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.