Home / 36,335.42-54,501.60-12,648.34

Finding the Fourth Proportional to 36,335.42, 54,501.60 and 12,648.34

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Solution

The fourth proportional to 36,335.42, 54,501.60 and 12,648.34 is: 18,971.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,335.42 : 54,501.60 = 12,648.34 : x
  2. Step 2: Convert to fraction form
    36,335.42/54,501.60 = 12,648.34/x
  3. Step 3: Cross multiply
    36,335.42x = 54,501.60 × 12,648.34
  4. Step 4: Simplify right side
    36,335.42x = 689,354,767.34
  5. Step 5: Solve for x
    x = 689,354,767.34/36,335.42
  6. Step 6: Final answer
    x = 18,971.98

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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.