Home / 36,749.40-55,115.70-18,010.68

Finding the Fourth Proportional to 36,749.40, 55,115.70 and 18,010.68

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Solution

The fourth proportional to 36,749.40, 55,115.70 and 18,010.68 is: 27,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,749.40 : 55,115.70 = 18,010.68 : x
  2. Step 2: Convert to fraction form
    36,749.40/55,115.70 = 18,010.68/x
  3. Step 3: Cross multiply
    36,749.40x = 55,115.70 × 18,010.68
  4. Step 4: Simplify right side
    36,749.40x = 992,671,235.68
  5. Step 5: Solve for x
    x = 992,671,235.68/36,749.40
  6. Step 6: Final answer
    x = 27,011.90

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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.