Home / 38,765.93-58,035.96-28,814.76

Finding the Fourth Proportional to 38,765.93, 58,035.96 and 28,814.76

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Solution

The fourth proportional to 38,765.93, 58,035.96 and 28,814.76 is: 43,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765.93 : 58,035.96 = 28,814.76 : x
  2. Step 2: Convert to fraction form
    38,765.93/58,035.96 = 28,814.76/x
  3. Step 3: Cross multiply
    38,765.93x = 58,035.96 × 28,814.76
  4. Step 4: Simplify right side
    38,765.93x = 1,672,292,258.77
  5. Step 5: Solve for x
    x = 1,672,292,258.77/38,765.93
  6. Step 6: Final answer
    x = 43,138.20

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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.