Home / 38,430.96-57,649.41-14,749.85

Finding the Fourth Proportional to 38,430.96, 57,649.41 and 14,749.85

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Solution

The fourth proportional to 38,430.96, 57,649.41 and 14,749.85 is: 22,125.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,430.96 : 57,649.41 = 14,749.85 : x
  2. Step 2: Convert to fraction form
    38,430.96/57,649.41 = 14,749.85/x
  3. Step 3: Cross multiply
    38,430.96x = 57,649.41 × 14,749.85
  4. Step 4: Simplify right side
    38,430.96x = 850,319,861.84
  5. Step 5: Solve for x
    x = 850,319,861.84/38,430.96
  6. Step 6: Final answer
    x = 22,125.91

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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.