Home / 36,118.04-54,135.48-13,920.32

Finding the Fourth Proportional to 36,118.04, 54,135.48 and 13,920.32

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Solution

The fourth proportional to 36,118.04, 54,135.48 and 13,920.32 is: 20,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,118.04 : 54,135.48 = 13,920.32 : x
  2. Step 2: Convert to fraction form
    36,118.04/54,135.48 = 13,920.32/x
  3. Step 3: Cross multiply
    36,118.04x = 54,135.48 × 13,920.32
  4. Step 4: Simplify right side
    36,118.04x = 753,583,204.95
  5. Step 5: Solve for x
    x = 753,583,204.95/36,118.04
  6. Step 6: Final answer
    x = 20,864.45

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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.