Home / 36,392.96-54,587.28-21,408.50

Finding the Fourth Proportional to 36,392.96, 54,587.28 and 21,408.50

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Solution

The fourth proportional to 36,392.96, 54,587.28 and 21,408.50 is: 32,111.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,392.96 : 54,587.28 = 21,408.50 : x
  2. Step 2: Convert to fraction form
    36,392.96/54,587.28 = 21,408.50/x
  3. Step 3: Cross multiply
    36,392.96x = 54,587.28 × 21,408.50
  4. Step 4: Simplify right side
    36,392.96x = 1,168,631,783.88
  5. Step 5: Solve for x
    x = 1,168,631,783.88/36,392.96
  6. Step 6: Final answer
    x = 32,111.48

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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.