Home / 38,303.78-57,455.66-12,010.64

Finding the Fourth Proportional to 38,303.78, 57,455.66 and 12,010.64

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Solution

The fourth proportional to 38,303.78, 57,455.66 and 12,010.64 is: 18,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,303.78 : 57,455.66 = 12,010.64 : x
  2. Step 2: Convert to fraction form
    38,303.78/57,455.66 = 12,010.64/x
  3. Step 3: Cross multiply
    38,303.78x = 57,455.66 × 12,010.64
  4. Step 4: Simplify right side
    38,303.78x = 690,078,900.89
  5. Step 5: Solve for x
    x = 690,078,900.89/38,303.78
  6. Step 6: Final answer
    x = 18,015.95

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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.